I really need help with these questions. What will these word problems look like?

A. The perimeter, P, of a rectangle is the sum of twice the length and twice the width.

1. P = 2(l+w) units

2. P = 2(5)+2(9) units

3. P = 4x units

4. P = (l+l)+(w+w) units

5. P = 2(x+3) units

B. The area, A, of a triangle is one-half the product of the triangle's base and height.

1. A = 1/2 (b+h)

2. A = 1/2(12)(5)

3. A = 1/2(b*h)

4. A = (x + y)/2

5. A = x^2/2

There is more than one answer to each problem. I will award brainliest answer, I really could use some help with this.