Keiko says that when n is any positive integer, 1" always equals 1 and (-1)" always equals - 1. Is Keiko correct? Justify your answer.

What is the area of the trapezoid shown ?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Solutions for 2x+7 less than or equal to 3x-5