Which of the following is another name for an indirect proof
A. Direct proof
B. Inverse proof
C. Converse proof
D. Proof by contradiction

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

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).

What is the ratio of the length of an object in yards to the length of the same object in miles?