If x2 - 6x - 16, what are the x-intercepts?​

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

5cakes cost 3.50 how much do 7 cakes cost

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?