Me out with this simple math question.

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Consider the function f(x)=-5x+3 what is f(-2)

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?