If six people come to a party and shake hands with each other. If each person shakes the hand of every other person, how many handshakes occur?

Find the product 8*25*23=

Which is a factor of 2a (cubed) - 2a (squared) - 7a + 7? A) (a - 1) B) (a + 1) C) (a - 7) D) (a + 7)

Simplify racha expression

The Heller family is having a cookout. To be sure that they have enough food, they plan to have 0.5 pound of hamburger for each adult and 0.25 pound for each child. There will be 15 children at the cookout.

Tina wants to install a square hot tub in her backyard. The backyard is 10feet by 50 feet, and the hot tub will be 8 feet of the backyard that will not be covered by the hot tub

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Their Anywhere plan charges 20 ¢ per check whereas their Acu-checking plan costs $1.43per month plus 9¢ per check. For what number of checks per month will the Acu-checking plan cost less?

Find the difference (10j-7) - (-9j+2)

X over 15 = 10 over 20. Solve.

4. Here are the ingredients needed to make 12 shortcakes. Shortcakes Makes 12 shortcakes 50 g of sugar 200 g of butter 200 g of flour 10 ml of milk Liz makes some shortcakes. She uses 25 ml of milk. (a) How many shortcakes does Liz make?