What is the surface area?
5 yd
4 yd
5 yd
10 yd
6 yd
square yards

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Qrst is a parallelogram. determine the measure of ∠q pls