Simplify each expression

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

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)