Kirsten has an area of 70 square feet for a flower garden. She plants 5 varieties of flowers equally in her garden. Which ratio shows the square feet per flower type?
12 무

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).

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.