In the figure, what is sin R equal to? A. cos ∠NPQ B. cos ∠RMN C. sin ∠RMN D. sin ∠NPQ

Which statement best explains why ben uses the width hi to create the arc at j from point k

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

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