How much water should be added to 28 ml of 20% alcohol solution to reduce the concentration to 14%

6x + 3y = 9 2x + 3y = 1 Solve the system of equations. A) x = 2, y = - 1 B) x = - 1, y = 2 C) x=1/2, y=3 D) x=3, y=-1/2

Why might someone choose to use the y-intercept and the slope to graph a line?

Can you simplify 7+4 (x+5)

Which of the following numbers is NOT in scientific notation? A 4.5 X 10-12 B 3.025 X 10-9 C 0.21 X 107 D 1.1 X 1010

Which ordered pair must be removed to make the relation a function. { (1, - 5), (2, - 4), (3, 4), (4, 3), (3, - 4) }

The area of a square is 16 square units. What is the length of a side?

Makayla's local movie theater has a moviegoer club that charges an annual registration fee of 25 dollars. However, movie tickets are discounted for members at 6 dollars per ticket, instead of 9 dollars per ticket.

A shop owner offered a 20%discount off the regular price of a mirror. The amount of the discount is $3.00

Which of the following is proved by utilizing deductive reasoning? postulates undefined terms theorems definitions

14. What is the sum of 1/9,2/3, and 5/18? O A. 12/9 OB. 19/18 c. 8/30 D. 4/15