-1 + 3b - 4c + 10b for b=7 and c= -1

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?