How do u work out 8x + 5x

A bag contains equal numbers of green and blue marbles. You can divide all the green marbles into groups of 12 and all the blue marbles into groups of 16. What is the least number of each color of marble that can be in that bags?

Frankie paid $11.75 for the movie ticket and $4.75 for popcorn and a drink. How much did Frankie spend? a. $7.00 b. $15.50 c. $15.75 d. $16.50

6n+n solve for n when n=5

1. The sum of four consecutive whole numbers is 54. What are the four numbers? 2. A baby wriggled so much that weighing him at the clinic was a problem. So the doctor held the baby and stood on a scale.

Evaluate the function f (x) = 4^x for x = 3. A. 12 B. 24 C. 32 D. 64

Identify the center and radius of a circle with aquation (x+9) ^2 + (y+6) ^2=9

Write a word problem for the equation: 1/2 x 2/3 = X

After the game the coach bought 9 chicken meals for 5 dollars each and 15 burger meals for 6 dollars each. What percent of the total amount the coach spent was used for the chicken meals?

160% of 240 is what number

6 years ago, Luther won some money in the lottery and put it in a bank account that earns 8% interest compounded monthly. If Luther currently has $6,000.00 in the bank account, how much interest has he earned?