Sixty percent of the 20 tomatoes were green. 1. what fraction of the tomatoes were not green? 2. how many tomatoes were green? answer both of the questions and this is due tomorrow. would be very appreciated

7x+8y=-18, 4x-9y=-3 solve the system of equations

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

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