A company estimated that it will need 145,000 in 10 years to replace a computer. If it established a sinking fund by making fixed monthly payments into an account paying 7.5 % compounded monthly, how much should each payment be?

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

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?

Arational number that is equivalent to -20/4?