Find x if angle 2 is 20x + 20. (Look at picture)

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Atemperature of 1.64◦f corresponds to answer in units of ◦c.