Which solid figure has a base that is a polygon and triangular faces that meet at a vertex?

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

An energy plant is looking into putting in a system to remove harmful pollutants from its emissions going into earth's atmosphere. the cost of removing the pollutants can be modeled using the function c = 25000p/100 -p what is the vertical asymptote?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq