Which statements are ture about 5/6 and 7/10 ?Check all that apply

What is the exact volume of the cylinder 1.5 m 2.5 m

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?