Sam can mow 2 lawns in 3/4 hour. sam wants to mow 6 lawns on sunday so that he has enough money to buy a new video game. how long will it take him to mow 6 lawns?
i only have 10 minutes left,

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)