a. What unknown amount in the car wash problem could you represent with a variable? b. The phrase more than in this problem tells you to use the operation of . c. The word twice in this problem tells you to use the operation of by 2. d. Let x represent the amount of money raised last year. Write an algebraic expression to represent the amount of money raised this year.

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .

step-by-step explanation:

answer: i believe the answer is e

step-by-step explanation: