Leah prefers babysitting over working at the ice cream shop. out of 20 total hours, what is the maximum number of hours she can babysit to be able to earn at least $120 per month?please give your answer to the nearest whole hour.

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Indicate the formula for the following conditions: p^c(n, r)=