Two angles of a triangle measure 45 degrees and 90 degrees what is the third angle measure

Is a positive integer raised to a negative power always positive

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

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?