How do you know that each of these constructions is valid when made with a compass and straightedge?

Describe the differences between angles in right triangles and angles of rotation.

15/176 as a mixed number

7/10 + 2/10 in simplest form

Use the pythagorean theorem to see if the side lengths create a right triangle. 1. a = 6. b=8. C = 9 2. a = 12. b=5. C=13 3. a = 8. b=6. C=10 4. a = 3. b=4. C = 5 5. a=6.4. b = 12. C = 12.2 6. a=2.1. b=7.2. C = 7.5

The random variable is the number of nonconforming solder connections on a printed circuit board with 970 connections. Determine the range (possible values) of the random variable.

Slope and intercept y = - x + 2

An item is regularly priced at $75. It is on sale for 80% off the regular price. How much (in dollars) is discounted from the regular price?

Joseph says that there is 5/8 of a ham sandwich left and 1/2 of a turkey sandwich left what is not a pair of equivalent fraction for 5/8 and 1/2

Aspen added 14 to the product of 224 and 16. What is the sum?

the number 42,__2 rounded to the hundred place is 42300. what is the least possible sum of the two missing digits? justify your answer.