What is the difference between the product of 19 and 3.6 , and thw sun of 2.87 and 3.5

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?