A simple random sample of 64 observations was taken from a large population. the sample mean and the standard deviation were determined to be 320 and 120 respectively. the estimated standard error of the mean is

Nancy and Kevin collect coins. Nancy has x coins. Kevin has nine coins fewer than three times the number of coins Nancy has. Write and simplify an expression for the total number of coins Nancy and Kevin have.

The sum of eight times a number and negative four exceeds twelve

The model of a new apartment building have dimensions of 10 inches in width, 18 inches in length and 28 inches in height. The architect plans for the building to be 144 times the dimensions of the model.

The length of a rectangle is 16 inches, and it's area is (32x + 48) square inches. Factor the expression for the area. Write an expression for the width.

Clare lives in Iowa and pays 6% in sales tax. She just bought $135 in groceries, but $40 worth of those groceries were not taxable. What is the total amount that Clare paid for groceries, including sales tax?

19. In order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is needed for a button with a circumference of 9.42 centimeters? A. 3 centimeters B. 1.5 centimeters C.

Convert 23/4 to a decimal and show your steps.

Which of the following describes the quotient of 3 and - 27?

What is the round to the nearest million5,500,000

Kermit's favorite iced tea is made with 15 tea bags in every 2 liters of water. Peggy made a 12-liter batch of iced tea with 90 tea bags. What will Kermit think of Peggy's iced tea? Choose 1 answer: (Choice A) A It is too strong.