Find the value of:

a) 2x when x = 5

A student bought a book for $7 and a pen. The total cost was $9. Which of the following equations can be used to find the cost of the pen?

Joe wants to use the Hiking Club's funds to purchase new walking sticks for each of its 19 members. The sticks cost $26 each. The club has $480. Is this enough money to buy each member a new walking stick? If not, how much more money is needed?

What does two-thirds subtract five-twelves equal

Carmen bought x candy bars, she game 3 of them away, enter the expression into the box to represent the number of candy bars Carmen has now

A researcher records the amount of time (in minutes) that parent child pairs spend on social networking sites to test whether they show any generational differences.

How do you know that 5 1/4 is less than 5 4/10

which of the following are solutions to the equation below check all that apply 2x^2 + 6x = 20 A) 2 B) - 10 C) 1 D) 20 E) - 5 F) - 2

Katie borrowed $2,500 at 10% simple interest for 5 years. What was the total interest? $12.50 $125.00 $1,250.00 $12,500.00

Is it possible to construct a triangle with side lengths of 15 inches, 17 inches, and 32 inches? Why or why not?

Edward deposited $9,500 into a savings account 3 years ago. The simple interest rate is 3%. How much money did Edward earn in interest?