Donald decided to raise bunny rabbits. He starts with 5 bunnies. Each spring he counts his bunnies and notices that he always has double the amount of bunnies than the previous season. What are the values of each variable in the exponential equation y=a•b^x+k?

How many $20 bills do you need to have to make $280

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)?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax