Find x^3- 2y^2- 3x^3+ z^4 if x = 3, y = 5, and z = -3 the upward arrows means that it is squared, cubed, etc hurry

The reflexive property of congruence lets you say that ∠pqr ≅

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

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