What is 2(5 to the second power) +3(5) - 12

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

What is an alternate exterior angle

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?