Ella has 50 Stacks of ten pennies in each Stacks. Describe how to find how many pennies Ella has in all.

Unit rate for 56 in two

A triangular pyramid has faces.

Gerry has 50 sports trading cards. Of those cards, 1/5 of them are baseball cards, 1/10 of them are football cards, and the rest are basketball cards. How many more basketball cards than baseball cards does Gerry have?

What is the solution to the inequality - 6+|2p+3|>7

2. If x = - 1 and y = - 3, then 5 (x2 - 7 + y) = A. - 5. B. - 15. C. - 45. D. - 55.

Jon weighs 148 lbs and hopes to gain 2 lbs a week. Matt weighs 193lbs and hopes to lose 1 lb a week. How many weeks until they weight the same?

y = 2x2 - 3x - 20? A) x = - 5 and 2 B) x = 5 and - 2 C) x = - 2.5 and 4 D) x = 2.5 and - 4

Which expression is equal to 5x (x^4-3x^3+2x-4)

4 1/4 plus What equals 127 1/2

What is the solution to the inequality? 15<4 + x A. x< 19 B. x< 11 C. X> 19 D. X> 11