z varies jointly with y and the square of x. If z= 252 when y= -7 and x= -3 , find z when x = -2 and y= 2

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)

What is r i 4.5+10r=-6.5 with work pls