Find the product
–5r3(2r2 – 3r – 5)
a) –10r5 – 15r4 – 25r3
b) –10r5 + 15r4 + 25r3
c) 10r5 – 15r4 – 25r3
d) –10r6 + 15r3 + 25r3

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3