11. you pay $24.50 for 10 gallons of gasoline and one
quart of oil at a gas station. your friend pays $22 for 8
gallons of the same gasoline and 2 quarts of the same
bil. find the cost of l quart of oil.

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Use sigma notation to represent the following series for 9 terms.

8.74 rounded to the nearest whole number