Which of the following is another way to express the difference between -5 and 8?
A. -5 + 8
b.- 5 - (-8)
c. -5 + (-8)
D. 8 - 5

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field