Jacqueline is a teacher in Alaska, where she contributes 9% of her earnings to her pension. If her earnings for a school year were $42,000, what did she contribute to her pension?

a.) $3,250
b.) $3,560
c.) $3,780
d.) $3,890

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip. gasoline costs $1.05 per gallon. what was the cost of gasoline per mile driver?

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?