On the number line above, if x is a number that lies between a and a + 10, which of the following must be true?
lx - al > 5
lx - a -51 < 5
lx - a - 101 < 5
lx - a + 101 < 5

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