Name the factors in each of the following problems. a. 6 × 12 = 72 b. 8 × 9 = 72 c. 4 × 4 = 16 d. 3 × 7 = 21 i don't understand what "factors" mean, . : )

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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

3x + 4y = 5 x- 3y = -7 solve by substitution