A packet of sugar cost 50c. How much would x packets of sugar cost? give your answer , ( a) in cents , ( b ) in dollars.​

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)?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base