The sum of twice y and 9 is 21

How many license plates are possible if four letters are to be followed by two digits?

Answer sheet for math mystery case of the superbad superhero

To find the value of an algebraic expression by substituting a number for each variable

Multiply 24.369 * 0.92

The new total is 60%, but the sales tax is 5% of the bill. how much is the salestax?

1. a model rocket is fired vertically into the air at 320 ft/s. The expression - 16t^2+320t gives the rocket's height after t seconds. factor this expression Factor each expression or state if it cannot be factored. 1. 13q^4+2p^2 2. 14n^3+7n+7n^2 3.

Yolanda's club requires that 60% of the members be present for any vote. If at least 30 members must be present to have a vote, how many members does the club currently have?

Give an example of a positive temperature and a negative temperature that have a difference of 5°F.

5506 divided by 57 with remainder

Find the value of the product. 2 sin (52.5°) sin (97.5°)