Find the volume of a right circular cone that has a height of 3ft and a base with a radius of 15.6ft. round your answer to the nearest tenth of a cubic foot

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Ineed to know the answer to this algebra question.

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)