Can someone me its the last question for my quiz and i need fast first gets brainliest

lamar used 7/8 of a cup of raisins to make snack mix he used 3/4 of a cup of raisins to make cookies which expression could be used to determne the amount of raisins in cups lamar used altogether
a 7/8 + 3/8
b 7/8 + 6/8
c 7/12 + 3/12
d 11/12 + 11/2

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.