Maddy has a dog walking business. she charges $6.75 per hour to walk 1 dog and $10.50 per hour to walk 2 dogs. maddy can walk up to 4 dogs at a time. how much will maddy make if she walks chloe’s 2 dogs and deon’s 1 dog for a total of 2 hours? show your work

The product of two negative rational numbers is always zero sometimes zero never zero

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.

For which pair of functions is (gof)(a)=|a|-2?