Debra babysits for 3 1/2 hours on friday and 1 1/2 times as long on saturday. did debra babysit more, fewer, or the same number of hours on saturday than she did on friday?

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)