a well-designed boiler evaporates 8.5 pounds of water per pound of coal burned. find how many pounds of coal would be necessary to evaporate 68 pounds of water.

Here are the summary statistics for the weekly payroll of a small company: lowest salaryequals= $250250 , mean salaryequals= $900900 , medianequals= $800800 , rangeequals= $10001000 , IQRequals= $700700 , first quartileequals=

A pyramid has a volume of 180 cubic inches, a length of 9 inches, and a width of 5 inches.

A cell phone store sold 450 newly released cell phones in three hours. This was 30% of the number of cell phones sold that day. How many newly released phones did the cell phone company sell that day?

If your starting salary is $40,000 and you receive a 3% increase at the end of every year what is the total amount, in dollars, you will earn over the first 16 years that you work?

Combine like terms to create an equivalent expression. Make sure to simplify coefficients and constants as well. 2 (1/5m-2/5) + 3/5

Find the surface area of a sphere with a diameter of 30 m. Leave answers in terms of pi.

A cube has a surface area of 96 square centimeters. How long is each face of the cube? A) 16 cm. B) 4 cm. C) 6 cm2. D) 16 cm4

How much does 24 pints equal in gallons?

one box contains 7 red and 4 green balls, and the second box contains 3 red and 5 green balls. one ball is drawn from the first box and placed unseen in the second box. what is the probability that a ball now drawn from the second box is red

Connecting a tangent and a radius to form a closed polygon will form a ... ?