A computer’s value declines about 7% yearly. Sally bought a computer for $800 in 2005. How much is it worth in 2009.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

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