How many liters of a 60% acid solution must be added to 12 liters of a 20% acid solution to produce a 36% acid solution

3 (x-6) + 6=5x-6 useing distributive property

Add d and 8, subtract the result by 2, then add what you have to c

Guys what is the perfect square

The population of a town doubled in 5 years, then doubled again in the next 10 years. What is the percent increase

The product of a binomial and a trinomial is x 3 + 3 x 2 - x + 2 x 2 + 6 x - 2. Which expression is equivalent to this product after it has been fully simplified? x3 + 5x2 + 5x - 2 x3 + 2x2 + 8x - 2 x3 + 11x2 - 2 x3 + 10x2 - 2

Choose the graph that matches the following system of equations: 4x + y = - 1 3x + 2y = 8

Simplify the expression. 9x + 2y + 6 + 9y + 7 What is the coefficient of y? What is the constant?

Which best models a line? Question 10 options: A. a floor B. a pebble C. a jump rope D. a stick

What is a sixth grade word problem that has 9.5 * (8+12.5)

Sierra purchased a cell phone for $414.95. If the sales tax rate is 7 1/2%, what was the price of the cell phone before tax?