The ratio of the zinc to copper is 3 to 15. If there are 720 lb copper, how much zinc in there?

F (x) = 5x+4 find its inverse

The ratios of the angles in ABC is 3:5:7. Find the measure of the angles

Solve each equation. Check your solution. 4x - 8 = 5x

Carmella, a human resources executive, emphasizes to her staff that the department should focus on serving its "customer," the company's employees. Which activity best expresses treatment of employees as customers?

What is the diameter of the following circle (x+4) ^2 + (y-9) ^2 = 18

When you buy a dozen bagels for $2.39, you get an additional bagel free. What is your cost per bagel?

London purchased 4 3/4 pints of ice cream for a party. If each guest will be served exactly 2/3 pint of ice cream, what is the greatest number of guests that London can serve?

If A = (4,-5) and B = (7,-9), what is the length of AB? A. 5 units b. 6 units c. 7 units d. 8 units

The sum of 9 times a number and 5 equals 2

A tennis player hits a serve that cannot be returned 45% of the time out of 300 serves, how many can the tennis player predict will not be returned.