Maria bought seven boxes. A week later half of all her boxes were destroyed by a fire. There are now only 22 boxes left. With how many did she start with?

Evaluate - 5x2-3x for x = - 2.

What is the least common factor of 24 40 and 72

A negative number is 12 less than it's square. find the number

26=5 (x+10) + 3x whatsy answer how do I get it?

You randomly draw a marble from a bag, record its color, and then replace it. You draw a blue marble 3 out of 50 times. What is the experimental probability that the next marble will be blue?

A turtle swims at a speed of 15,840 yd per h. a girl swims at a speed of 138 cm per s. 1 dekameter (dam) = 11 yd 1 dam = 1000 cm how much faster does the turtle swim than the girl in dekameters per minute?

Add: (-4x3 + 2y) + - 9x3

4. Simplify - 4b + (-9k) - 6 - 3b + 12.

Janelle practices basketball every

A $1000 investment increases in value by 5% every year