Can you help me on this probably thank you

Acylinder has volume 45π and radius 3. what is it’s height?

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

(03.03 mc) choose the graph below that correctly represents the equation 2x + 4y = 24. (5 points) select one: a. line through the points 0 comma 6 and 12 comma 0 b. line through the points 0 comma negative 6 and 12 comma 0 c. line through the points 0 comma negative 12 and 6 comma 0 d. line through the points 0 comma 12 and 6 comma 0