(9w x 0) - 12 and 9w - 12

is it equivalent or not

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?