Scuba diving, Elisa descends at a rate of 7 1/2 feet per minute. How long will it take her to reach a depth of 90 feet? Show your work and explain your reasoning.

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height