The surface area of a triangular pyramid is 305 squarei nches. the area of the base is 35 square inches. each face has a base of 9 inches. what is the slant height?

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

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?