Find the product of -8 and -7.

-1
1
56
-56

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Write the expression 7x^3-28xy^2 as the product of 3 factors