If Amy were 15 cm taller, she would be 5cm taller than Joanne. If Joanne were 30% shorter, she would be 29cm shorter than Amy. Find the sum of the heights of Amy and Joanne

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

What is negative 3/9 times negative 2/8 ?