Which of the expressions below is true? a. (3y)2 =3y2 b. 2ab5 = 2(ab)
5
c. (4b)3 = 64b3
d. 2(x)3 = 8x​

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet