How much money should be deposited today in an account that earns 4% compounded semi annually so that it will accumulate to 13,000 in 3 years?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Given f(x)=2x^2-8x+6 and g(x)=3x-1 find f(x) +g(x) a. 2x^2+5x+5 b.2x^2-11x+7 c. 2x^2-5x+5 d.2x^2-5x-5

Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?