At a carnival, two pretzels and two boxes of popcorn cost $3.50. Two pretzels and four boxes of popcorn cost $6. Find the cost of a single pretzel and cost of a single box of popcorn.

In cells J18 and J19, use the information you calculated about the confidence interval for weight to determine the lower and upper bounds for the 95% confidence interval for your prediction of Jim's weight in cell J15.

The circumference of a circle is 20 (pi) ft. What's the area of the circle?

John has $24. He uses 2/3 of his money to buy a pair of shoes. How much money is left?

the diameter d in inches of a rope required to lift a weight of w tons is given by the function d = 10w π. How much weight can a rope that measures a radius of 2 inches lift (truncate the decimal to the hundredths) ?

What is the 5th term in the arithmetic sequence below? 27, 15, 3.-9, - ...

What is the multiplicative inverse of 10/3?

A binomial is multiplied by a third degree trinomial. what degree must be in order for the product to have a degree of 5?

Find the mean (average) the data set below? 2 18 28 5 4' 5'10'20

412.638 in expanded form using decimals

What's 67% as a decimal?