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, ...

A new york city taxi charges $3 per ride plus an additional $0.50 per mile which function below shows how to calculate the total cost of a taxi ride that is x miles long A.) f (x) = $3x+$0.50 B.) f (x) = $3x-$0.50 C.) f (x) = $0.50x+$3 D.

Simplifying radicals with variables and exponents

Solve for x: the quantity of x plus 20 over 2 = 3x x = 10 x = 4 x = - 14 x = - 17

1. randomly choosing a white counter from a bag of 12 red. counters, 12 white counters, 12 green counters, and 12 blue counters

The markup of an MP3 player is $207.20. The markup rate is 60%. What is the cost?

Simplify the expression completely. 16x-12x

Does a heart have one line of symmetry

Write the equation of the links whose slope is 1/3 and y-intercept is - 3. Write the answer in slope-intercept form.

Manny has 48 feet of wood. He wants to use all of it to create a border around a garden. The equation 2l+2w=48 can be used to find the length and width of the garden, where l is the length and w is the width of the garden.

What is 0.085 written as a percent? A. 0.85% B. 0.085% C. 8.5% D. 85%