Aman walks into a store and steals 100 dollars out of the register without the owner knowing it and then buys 70 dollars worth of merchandise with that 100 dollars and the owner gives him 30 dollars in change back how much did the owner lose in money?

What expression is equivalent to 42x-56y

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

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.