What value correctly fills in the blank so that the expressions are equivalent? 32 + 72 = ´ (4 + 9)

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

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

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i