If a and b are opposites, what can you say about the locations of a and b on the number line?
a is to the right of b.
a is to the left of b.
a and b are the same distance away from 0.
there is not enough information given.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

How are algebraic expressions evaluated using substitution?

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.