You need a 70% alcohol solution. On hand, you have a 60 mL of of a 25% alcohol mixture. You also have 75% alcohol mixture. How much of the 75% mixture will you need to add to obtain the desired solution?

From the street, you drive down 6 levels in a parking garage. When you leave, you drive back up 6 levels. Which expression represents the number of levels you are from the street? 1.) - 6 + 6 2.) - 6 - 6 3.) 6 + 6

How to do round to the nearest ten and hundred 762

If 7.7 plus 8.1 times a number equals the sum of the number and 16.8 what is the number

Solve the equation. 6.35 + b = 9.89

Let f (x) = 27x5 - 33x4 - 21x3 and g (x) = 3x2. Find f (x) / g (x) A. 9x2 - 11x - 7 B. 9x2 + 11x + 7 C. 9x3 - 11x2 - 7x D. 9x3 + 11x2 + 7x

If you eat too much, you will fall ill. Is that a noun adjective or adverb clause sentence?

A pail holds 2 3/4 gallons of water how much is this in cups

a flat rectangular piece of aluminum has a perimeter of 64 inches. the length is 10 inches longer than the width. find the width

How many triangles can you draw which have one side of length 4 cm, one side of length 7 cm, and one side of length 12 cm?

Multiply and simplify: 10x (9x^2 + 6x + 7)