Hey can you me posted pictureof question

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

The spanish club and a car wash to raise money. and equation y=5x represents the amount of money y call members made for washing ex cars. identify the constant of proportionally. then explain what it represents in this situation