The difference between two numbers is 28. The first number is three times the other number. What are the numbers? A. 14 and 42 B. 26 and 42 C. 14 and 14 D. 15 and 43

Dan says 3/5 is the same as 3.5 is he correct?

Valerie is a big fan of country-western music and buys one CD every week. With tax, each CD costs her about $9. She also attends two concerts each year. the admission charge for each concert amounting to $40.

A new uniform costs $49.99. If it is on sale for 15% off, what is the cost before tax?

Darryl is three inches taller than Reggie. Their heights, combined is 138 inches. How tall is Reggie?

What is the function f (x) = 3 (x^2-8x) + 10 written in vertex form

What is the percent change from 70 to 56

Which rational number is equivalent to 3.27 repeating? A. 327/990 B. 27/99 C. 47/11 D. 3 27/10 E. 3 27/100

Which of the following is a regular polygon?

The sloping side of a cone is 10cm and the height is 8cm. find the radius of the base

Two companies make batteries for cell phone manufacturers. One company claims a mean life span of 2.5 years, while the other company claims a mean life span of 3 years (assuming average use of minutes/month for the cell phone).