Your plumber charged a fee of $60 and an additional $21.50 per hour for a repair visit. Your bill was $124.50. How long was the plumber's repair visit?

15 percent is 8 cups of punch of what number

What is in between 2.93 and 2.94

a store has 27 two six packs 15 12 packs and 34 single cans of soda write an expression using the numbers 27 6:15 12 and 34 to show how many cans of store has all together

What is the equivalent expression for 12a+6b

The water level of a river in may was 30 cm below the normal mask. After the rains the level of the water went up by 25 cm. If the water level written in may is - 30, what will the level after the rains be

A farmer wants to fence in a rectangular field that encloses 3600 square feet. One side of the field is along a river and does not require fencing. The fencing costs $3.50 per foot.

Sampling errors are related to the accuracy of data, whereas nonsampling errors relate to the representativeness of a sample to a defined target population. True False

Match the following expressions or equations. 1. The product of m and 3 minus the product of n and 4 2. 2 less than 4 times a number 3. The perimeter of a square is 4 times the length of a side. 4. Sue's salary is $8.

Two intergers a and b have a product of 48

Is the square root of 81 rational or irrational number and is 5 divided by 3.14 rational or irrational.