PLS ANSWER SOON (probably very easy and my brain shut down)

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

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

Complete the two-column proof. given: 5/x + 9 = 11 prove: x = 10 5/x + 9-11 select one: a. a. given b. subtraction property of equality c. division property of equality b. a. given b. subtraction property of equality c multiplication property of equality ca. given b. addition property of equality c. multiplication property of d. a. given b. addition property of equality c. division property of equality