Please solve attached exercises using the Equation Editor, you must show work. Answers are already provided from the actual book. You must show however how you have arrived at the answer.

4 factoring problems, then:

Exercise 90: (no answer was provided in the book)

Avoiding a collision. A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is a train 50 meters from the car and heading the same crossing. How far is the train from the crossing?

Exercise 92: (no answer was provided in the book)

Winter wheat. While finding the amount of seed needed to plant his three square wheat fields, Hank observed that the side of one field was 1 kilometer longer than the side of the smallest field and that the side of the largest field was 3 kilometers longer than the side of the smallest field. If the total area of the three fields is 38 square kilometers, then what is the area of each field?

Exercise 96: (no answer was provided in the book)

Venture capital. Henry invested $12,000 in a new restaurant. When the restaurant was sold two years alter, he received $27,000. Find his average annual return by solving the equation:

... The friction factor f in the chezy-darcy formula is? ... The rate of slope is .0005, and the value of the factor n in Kutters formula may be taken as .015. ...

... change in the reliability factors are calculated ...factor -1. The incremental reliability factor for first ... from the following formula - = Projected misstatement ...

... 20. Consider the polynomial P(x), shown in both standard form and factored form. ... (b) What is the center of the circle? (c) What is the equation of the circle? ...

... X3 _ 0.002X4 a. What is the full designation of the equation? ... Is age a factor? ... In order to explore further the factors needed to estimate performance on the ...

... Owner thinks that the following factors have a ... How many independent variables are there in this equation? ... Correction factor CF = T2/ N = 21802/ 12 = 396033.33. ...

... if the graph is provided or the demand and supply equations are given. ... A monopsonist faces a _____ factor supply curve; therefore, its marginal factor supply ...

... are its roots and the roots can be obtained through factoring, reducing the ... x 2 + 8 x + 7 = 0 can be factored into ( x + 1)( x + 7) = 0 . Each factor can be ...

... the following data for two risk factors (1 and 2 ... Stock declines to this amount Maintenance Margin Leverage Factor. ... Use the correct built-in formula in Excel the ...

... which we see is a linear differential equation with integrating factor. . ... which we see is a linear differential equation with integrating factor. ...