A plumber charges $45 for the first hour and $30 for each additional hour. how much does he charge if it takes him 4 hours to make a repair?

There are 50 states in the US. What is the probability of selecting a state in the continental US?

1 - (7/3) Would be great if u answered

A random sample of 118 light bulbs had a mean life of hours with a standard deviation of hours. Construct a 90 percent confidence interval for the mean life, μ, of all light bulbs.

A cash register contains 15 coins in nickles and dimes. total value is $1.25. how many coins of each type are there?

What is the volume of the cone shown above? If H = 2 and R = 9 A. 18 units cubed B. 169.6 units cubed C. 162.5 units cubed D. 54units cubed

The area of a rectangle is 33 m-, and the length of the rectangle is 5 m less than twice the width. Find the dimensions of the rectangle.

A regular decagon has a side length of 4 centimeters long if the decagon is divided into 10 congruent triangles each has an approximate height of 6.2 centimeters what is the approximate area of the decagon

Someone is building a rabbit cage with a length and width 3 times less than the dog cage

A consumer protection group randomly checks the volume of different beverages to ensure that companies are packaging the stated amount.

mr vale buys 48 flowers. he puts bunches of 6 flowers each in vases. if he sells each vase for $2, how much dose he earn?