Choose all the expressions that will result in a positive answer. a. -3 + - 9 =
b. a(b) =
c. -43 - (-55) =
d. -3 x -9 =
e. 4 x 9 x -3 x -1 x 12 =
f. (-3 + 4) x -5 =

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags