Frank is selling hot dogs from a food stand on the beach. Frank's profit is modeled by the function P(x) = -5x^2 + 80x – 240 where x is the number of hot dogs sold.
During what interval will Frank make a profit?

∆red ≅ ∆ by rule will give brainiest if possible

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright