Zenaida is shopping and wants to purchase a $320 stereo system. the store is offering an incentive of 10 to 30 percent off when you spin the discount wheel. zenaida spins the wheel and receives 20 percent off. how much will the stereo system cost? '

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.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?