A boy has 6 red, 5 yellow and 2 green marbles. In how many ways can the boy arrange the marbles in a line if all marbles have different sizes?

Joshua had $28.75. How much more money does he need to buy a skateboard that costs $34.18?

Sarah earns $10 per hour while babysitting and $20 per hour while cleaning houses. Sarah will need to earn $1000 during the summer.

What is 30.06 divided by 1,000.00

What is the square root of 99 simplified?

Two vertical angles have measures of 3x and x+50. The x = Select one: a. 25 b. 50 c. 32.5 d. 10

Distributive property: Example: 6 (2x - 3) = 12x - 18 "Combine like terms" means 3x + 4x = 7x. But we cannot add 3x + 4. Simplify, don't solve for x, just simplify, write it with only one x and no parenthesis: 2 (4x - 1) + 3x =

What is a number greater than 40 whose prime factorization contains 3 prie numbers that do not repeat

What is the constant rate of change of y=7-13x

Find the LCm for each set of numbers 32 128

I am confused. What does - - (-8) (-8) (5) (5) (-8) equal?