Expand these expressions, 11 (2x + 11), 2 (3n - 4.5) and, 3 (6x - 9).

The temperature of a freezer started at 18ºC. After cooling for a few hours, the freezer had a temperature of - 12ºC. What is the difference between the new, colder temperature and the original temperature? - 12 - 18 -12 - ( - 18) 18 - 12 18 + (-12)

Use the information provided to write the vertex form equation of each parabola. y = x^2 - 4x + 5

Carolyn is making cookies. The recipe calls for 1 3/4 cup of sugar. If she makes 2 1/2 batches, how much sugar does she need?

A store's change in total revenue over a 4-month period is - $1,240. What is the average change in revenue per month for that period? -$4,960 -$310 $310 $4,960

A baseball player has a. 313 (313 hits out of 1000 at bats). If he get 4 at bats in his next games, estimate how many hits he will get.

What are the side lengths of the rectangle area is 40 perimeter is 28

Fifteen decreased by the quotient of a number and 3 is 20

one pump can drain a pool in 12 minutes. when a second pump is also used, the pool only takes 5 minutes to drain. how long would it take the second pump to drain the pool if it were the only pump in use?

Gustavo is in a contest where he will win one of four possible

Express 3950000000 in scientific notation.