8x-4+2x+5 simplify each expression

A recipe of 3 1/4 cups of flour serves 15 people. Write a proportion tp find the number of servings that 4 1/2 cups of flour makes

Ms. Waters is bringing the centerpieces for the end of the year banquet and plans on using candles and vases. She spends $50 total.

Find f (16) for F (x) = 4+|9-x|

Explain how you should use the formula to calculate the number of pennies on Rows 1-4. Why use the formula?

Ronnie is thinking of a number. He says that he gets the same result when he multiplies by his number by 2 as when he adds 5 to his number. What is his number?

How to do 1.42 g/cm² to mg/mm²

Mr carbon has 6 planks of wood that are 7 feet long and 5 planks of wood that are 8 feet long. If he places all 6 of the 7 foot planks in a line, how much longer will they be all 5 of the 8 foot planks in line

There are two boxes, one has a dimension of 6x2x3 and the other has dimension of 2x3x6. Which is bigger?

A box with 3 metal balls weighs 1840 kg. Each metal ball weighs thrice as heavy as the box. How much does a box with 1 metal ball weigh?

What is 999999x999999999