2(y-5)=(3y-2) can’t solve it

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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