How can you add all the integers form - 20 to + 20 in your head

What is the square root of 2197?

Explain how you could use a number line to find the number that is 9 less than 1.

Sarah build a dollhouse the floor the dollhouses Square Sara covers the floor with 144 square inches of tile how long in inches is one side of the dollhouse floor? A. 12 B. 38 C. 72 D. 144

An antique dealer usually charges 20 percent more than his purchase price any vase sold in his store. during a clearance sale, all items are marked 10 percent off.

Explain how you can estimate to tell whether 433_147=286 is reasonable

Which ordered pair is a solution of the equation? X+7y=17 Answer Choices A. Only (10,1) B. Only (-4,3) C. Both (10,1) and (-4,3)

A high school play cost an up front $30,000 to produce, plus an additional cost as of $1000 for each perfromance. Every sold out performance of the of thr play brings in $2500 of revenue to the school.

A teacher is interested in performing a hypothesis test to compare the mean math score of the girls and the mean math score of the boys. She randomly selects 10 girls from the class and then randomly selects 10 boys.

Otto spent 3/4 of the money he had saved on a new video game. If the video game cost $48, how much money did he have before he bought the game?

25 75 105 35 Geometry and Joey walked 333 feet. How many yards did Joey walk? F 999 yards G 363 yards '111 yards