Which equation represents the line that passes through the points (6, -3) and (-4, -9)?
a. y + 4 = 3/5 (x + 9)
b. y + 4 = 5/3 (x + 9)
c. y - 3 = 3/5 (x + 6)
d. y + 3 = 3/5 (x - 6)

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?