Ubtract the sum of a2−2ab+b2 and 2a2+2ab+b2 from the sum of a2−b2 and a2+ab+3b2

Write each expression in exponential form and find its value. 2 x 2 x 2 x 2

Orly uses 2 cups of raisins for every 12 cups of trail mix she makes. how many cups of trail mix will she make if she uses 8 cups of raisins?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?