A circular mirror has a diameter of 1.3m. Work out the circumference of the mirror.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)