How much water should be added to 14mL of 15% alcohol solution to reduce the concentration to 7%

Solve the system of equations. 6x - 3y = 3 -2x + 6y = 14 What number would you multiply the second equation by in order to eliminate the x-terms when adding to the first equation?

Suppose that a box of 12 items from a manufacturing company is known to contain 2 defective and 10 non-defective items. How many samples of 5 items contain 1 defective item?

0.1 x n = 89.5 what does n equal too?

What are the roots of the equation x2 - 5x + 6 = 0? A 1 and - 6 B. 2 and 3 C -1 and 6 D. -2 and - 3

Hank's pickup can travel 80 miles on 5 gallons of gas. How many gallons will Hank's pickup need to travel 32 miles?

Which addition problem has a sum thqt is an even number?

Use 1:100 to conveert to the real world

How many ways can 3 students be chosen from a class of 20 to represent their class at a banquet?

If 12 oz of honey costs 4.49 how much does 1 oz of honey cost

George worked on his science project for a total of 2 2/3 hours. He worked on it for 5/12 hour on Monday and 9/12 hour on Tuesday. He finished the project on Wednesday. How long did George work on his project on Wednesday?