Which of these sequences is a geometric sequence?

1, 2, 4, 7, 11, 16, 22, ...

2, 4, 8, 14, 22, 38, ...

3, 6, 9, 12, 15, 18, 21, ...

3, 9, 27, 81, 243, 729, ...

Elliotts starting wage for his new job is 7.25$ per hour. Each month during his first year, his hourly wage will increase by 0.25. What will his hourly wage be in his 15th month on the job

A piece of ribbon that is 8 1/3 yards will be cut into 5 equal pieces to make bows. How much ribbon will be used for each bow?

There are 5 times as many animals at the Central zoo as there are at the Baty zoo. The Central zoo has 265 animals in all. Let b represent the number of animals at the Baty zoo.

In how many ways can a committee of 4 be chosen from a group of 9 people?

Pine Bluff Middle School is having its annual Spring Fling dance, which will cost $400. The student treasurer reported that the dance fund has $75 left over from last year. Each ticket to the dance costs $4.

Convert 3/4 into a quotient and percentage

Simplify the expression 3 (-3y+2x) combine like terms a+3a-b+4b+c

If a figure has 5 sides 5 vertices and no equal sides what is it? it is a polygon BTW

If I rent a boat for $25 per hour and a charge additionally $12 for fuel is the number of hours I rent the boat proportional to the total cost

90,88,88,87,84,95,90,80,98, and 100 (A) find the mean of these numbers (B) find the median of these numbers