Please demonstrate steps.
Please see attached file for full problem description.

A.

The length of a rectangular swimming pool is 2x - 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area is x is 5 meters.

B.

Area of a parallelogram. Find the trinomial that represents the area of a parallelogram whose base is 3x + 2 meters and whose height is 2x + 3 meters.

C.

A lot was thought to be square, 157 ft by 157 ft. When surveyed one side was 2 feet longer and the other side was 2 feet shorter. How much less area is there than originally thought?

D.

P dollars is invested at annual interest rate r for 1 year. If the interest rate is compounded semiannually, then the polynomial represents the value of the investment after 1 year. Rewrite the expression without parentheses. Evaluate the polynomial if P = $200 and r = 10%.

E.

Perimeter of a rectangle
The perimeter of a rectangular yard is 6x + 6 yards. If the width is x yards, find the binomial that represents the length.

F.

Joe invested P dollars in a 2 year CD with an annual rate of return of r. After the CD rolled over 3 times, its value was . Which law of exponents can be used to simplify the expression? Simply the expression and show steps.

G.

Diameter of a circle
If the diameter of a circle is meters, then what is the radius?

I think this one would be but is does not seem correct.

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