Which are examples of varibles

A farmer has a collection of chickens and dogs. all together there are 120 legs and 43 heads. how many of each animal does he have? answer

The table below shows the amount of money, in cents, Celine had in her savings account after different number of years: Years 2 5 1 4 6 3 Money in cents 36 972 12 324 2,916 108 What will be the amount of money, in cents, that Celine will save in 12

A garden that is 5ft. by 6ft. has a walkway that is 2.5ft. wide around it. find the amount of fencing needed to surround the walkway

List all of the factors of 40 from least to greatest. Use a comma to separate each factor. Example: 1,2,3,4, etc

Mayumi hikes 3 miles in 2 hours. Edwin hikes 4 miles in 3 hours. Who takes more time to complete a 12 mile hiking trail? How much more time

Suppose 60 cars start at a car race. in how many ways can the top 3 cars finish the race?

The expression 8 + 2t can be used to find the total cost of admission and t amusement rides at a county fair. Which statement is true? A. The variable t is being added to 2. B. The coefficient in the expression is 2. C.

A salesperson earns a monthly salary of $2000 plus 6% commission on their sales. Their goal is to make at least $3,200 per month. What is the minimum amount of money in sales do they need to meet their goal?

Which of the following is the equation of a line that is perpendicular to 6x+4y=3 A) y=2/3x+5 B) y=3/4x-3/2 C) y=4x-6 D) y=6x-3

What is the simplest form of (-3x^3y^2) (5xy^-1)