Which formula represents an arithmetic sequence in which the first term is 9 and fourth term is 24? A. a (n) = 5n +9
B. a(n) = 5n +4
C. a(n) = -5n+ 29
D. a(n) - 15n - 6

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25