Can someone please help me with this question? (no links!!!)

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?