Answer each part. If necessary, round your answers to the nearest hundredth. (a) At Garcia's Bike Rentals, it costs $21 to rent a bike for 4 hours.
How many hours of bike use does a customer get per dollar?
30 hours per dollar
(b) Lashonda bought 18 pounds of rice for $9.
How many pounds of rice did she get per dollar?
30. pounds per dollar

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0