Why is the opposite of a negative number a positive number?

What is the angle of rotation of this regular octagon? what is the measure of an interior angle?

The reynolds family drove 385 miles in 7 hours. the keller family drove 477 miles in 9 hours. which family traveled at the higher rate of speed and what was this rate? a. reynolds; 53 mi/h b. reynolds; 55 mi/h c. keller; 53 mi/h d. keller; 55 mi/h

If q = 3, what is the value of the expression 7 (2q - 5) ? - 28 7 21 37

The inequity of Six times a number x is at least - 24

50th term of 7,5,3,1

One section of the pipe is 12ft shorter than the other if the long piece of pipe is 120ft long in total how long is each piece

What is the value of the expression when x=8 and y=5

James took 3 minutes to run 2 laps. Anna took 5 minutes to run 2 laps. How long will it take for both of them to run in the same amount of time?

Choose one of the factors of x3 - 133. a. x - 11 b. x2 - 11x + 121 c. x2 + 22x + 121 d. None of the above

Mrs. mcglashan is making paint for her class