A system of equations that ended with the statement 5=5 has no solution? False or true

Which of the following is correct interpretation of the expression -4+13

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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