Alan found 4 marbles to add to the 5 marbles in his collection. Then, he went to the store and tripled the number of marbles he had.

Does the expression x^3-1/x^2-1 simplify to x? No, because x3 - 1 can be factored as x (x2 - x + 1) and x2 - 1 can be factored as x (x - 1), so only x can be canceled.

Explain how you can use base-ten blocks to find 1.54+2.3

What is the least common multiple of 2,3

In France gasoline is 2.096 per liter. There are 3.78541178 liters per gallon. If the Euro is trading at 1.762 then the equivalent price per gallon is

As a valet at the mall, Davis works 8-hour shifts. He earns $4 per hour and keeps 90% of his tip money. How much does Davis need to be tipped so that he takes home exactly $100.00, before taxes are deducted, per shift?

What is the sequence of. 1+3+5+7 + ... 1209

What is the product of (3a + 2) (4a2 - 2a + 9) ? 12a3 - 2a + 18 12a + 6a + 9 1203 - 6a2 + 23a + 18 12a3 + 2a + 23a + 18

A music competition on television had five elimination rounds. After each elimination, only half of the contestants were sent to the next round.

What is the solution of - 8x - 5+3x=7+4x - 9

A sprinkler head had a 90-degree rotation and shoots 15 feet long. How much area is covered if there are 12 90-degree heads in one yard? How many 90-degree head do you need to cover a 1200 square foot yard?