I need the answer key for mid chapter check point grade 5 chap 7!! ASAP

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Determine the following data for the quadratic relation f(x) = -3(x+2)(x-3)? i. direction of opening: ii. x-intercepts: iii. y-intecept: iv. axis of symmetry: v. vertex:

Y=x+2 4x+3y= -36 system of equation