Kevin buys 4 folding chairs. each chair costs $13.50. the sales tax is 6.5%.

what is the amount of sales tax for kevin's purchases?

enter your answer in the box.

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Find the area of just the wood portion of the frame. this is called a composite figure. you will need to use your values from problem #2need all exepct 4 answerd if you can