An item costs $320 before tax, and the sales tax is $22.40. Find the sales tax rate. Write your answer as a percentage.

Which of the following are considered skew lines

Molly shot 40 baskets in 4 minutes. Niko shot 42 baskets in 6 minutes. How many more baskets did Molly shoot per minute?

If f (x) = 5x^3 and g (x) = x+1, find (f•g) (x).

During dance practice, Sasha drank 21⁄2 pints of water, and on the way home she drank 1⁄2 cup of water. How much water did she drink in total? cups and ounces

During a fair reeta gains rs 2 on each pen and loses rs 1 on each pencil she sells 50 pens and somepencils losing rs 15 in all how many pencils does she sells

Greatest common factor of 15 and 30 and 45

Assume that the following confidence interval for the difference in the mean time (in minutes) for male students to complete a statistics test (sample 1) and the mean time for female students to complete a statistics test (sample 2) was constructed

I have a real question how do you choose a brainiest answer

How can you solve this problem 2250=5000 x R x 5

Evelyn bought 12 chicken wings for $10. What was the cost of the wings in dollars per wing?