Suppose an investment of 10,000 doubles in value every 13 years. how much is the investment worth after 52 years? and after 65 years?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?