4. The function of the differential is to a. allow each of the rear wheels to turn at a different speed when turning a cornerb. keep the coolant in the engine movingc. stop your car from losing control when you brake too hardd. all of the above 5. In an engine with a fuel injection system, there is no a. fuel pumpb. distributorc. spark plugd. carburetor 6. The purpose of the car's exhaust system is to a. carry away harmful gases from the engineb. muffle engine noisec. ignite the fueld. both a

Determine the maximum r-value of the polar equation r =3+3 cos 0

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d