Histograms in mathh
I need help with it because I am clueless!

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).