Susan tips at the rate of $75 to 5 waiters. how many waiters will she be tipping, if she can afford a $90 tip?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Arational number that is equivalent to -20/4?