A? + 10a + 21
a? + 8a + 7
6
a + 1

Please help add this rational expression

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

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

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?