The cost of present was shared among 4 friends. the average amount of each person paid was 13.50.how much did the present cost

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

What is the percent of increase for a population that changed from 438,000 to 561,000

Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108