1)Richard's GPA is 3.7, and he made the following statement recently, "I have earned 110 credits from my college, and I earned at least an A- in each case." An A is equivalent to 4.0 and an A- is equivalent to 3.67. How many of the credits were A, and how many of the credits were A-?
(To earn full credit, you need to formulate the two equations.)

Assume x is number of credits of A, and assume y is the number of credits of A-:

2)Find the equation of the line that contains (0, 4) and perpendicular to y= 1/2x+2

3)David is planning to sell his house which he bought in 1997 for $150,000, and he wants to make at least $80,000. The realtor's commission is 7% of the sale price of the house. What is the minimum sale price he should set for the house?
(To earn full credit, you need to formulate an inequality.)

Assume x is the minimum sale price he should set for the house:

... The solution gives detailed steps on solving various algebra questions: finding the midpoint of segment, finding the equation of line if it is parallel or ...

Algebra Questions. See attached file for full problem description. ... Please see the attached file. The solution shows how to solve the linear equations in detail. ...