PLEASE HELP: The range of the following relation R {(3, −2), (1, 2), (−1, −4), (−1, 2)} is? A: {−1, 1, 3}
B: {−1, −1, 1, 3}
C: {−4, −2, 2, 2}
D: {−4, −2, 2}

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?