Estimate 8204/21 by first rounding each number so that it has only 1 nonzero digit.

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?