Becca earns money mowing her neighbors' lawns. The revenue for mowing x lawns is (x) = 18x.
Becca's cost for gas and the mower rental is c(x) = 5x + 20.
Her profit from mowing x lawns is p(x) = (r- c)(x). What is p(x)?

The table represents a linear function. what is the slope of the function? –6 –4 4 6

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?

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?