Figuras que son de 4?

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

One integer is 5 more than another. their product is 104. find the integers

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