Sue has $4, Tom has $11, Brian has $6, and Anita has $9. Use mental math to find how much money they have altogether. Show your work.

A bag of marbles contains 6 blue marbles, 2 yellow marbles, 4 red marbles, and 1 green marble. What is the probability of reaching into the bag and selecting a yellow marble? ot ON

X-3 = 7 ___ ___ x 6 how do i work this?

If two sides of a triangle are 9 and 20, what range of numbers would be possible for the length of the third side?

Are 3 (4x-2) and 12x-2 equivalent

Ellie already owns 3 hair bands, and additional hair bands are priced at 6 for a dollar. Write an equation that shows the relationship between the money spent on additional hair bands d and the total number of hair bands h. m

What number is 25% of 18

Use absolute value to express the distance between - 13 and 17 on the number line

Change 9.7*10^4 into standard form

A pet store usually keeps 12 birds per cage, and there are 7 birds in the cage now. The equation 7 + x = 12 can be used to find the remaining number of birds x that can be placed in the cage. What is the solution of the equation?

Substitution x = y+6 y = - 2-x