The sum of three numbers is 85. The third number is 2 times the first. The second number is 7 less than the first. What are the numbers?

What are the excluded values of x for x+4/-3x^2+12x+36

Which statement best expresses the revenue (r) for selling (n) tickets at $5.00 each?

Really quick! solve the inequality 0> - 3x - 2x

You earn $420 per week. You pay social security taxes of 7.65% federal taxes of 22%, and state taxes of 5.95%. What is your take home pay?

One-third of the students in a class are under the age of 20. If there are 9 students in the class that are under the age of 20, how many total students must be in class?

An airline requires carry on luggage to weigh at most 40 pounds. Your suitcase currently weighs 10 pounds. How many pounds p are available for you to fill your suitcase with other items?

Which equation describes a linear function

A triangular road sign has a height of 3 feet and a base of 2.5 feet. How much larger in area is this sign than one with a height of 2.5 feet and a base of 3 feet

The volume of a cylinder of radius r and height h is given by V = pi r^2 h. Then the height, in terms of the radius and volume, is given by:

Negative plus positive=?