How many solutions does this system have?

x - y = - 4

3x + y = 8

Kims family spends $62.50 on dinner. they leave an 18% tip. how much is their total bill after tip?

Solve the equation. -3 2/5 + b = 8 1/5 A. b = 5 3/5 B. b = 11 3/5 C. b = 4 4/5 D. b = 11 1/5

What is the difference between 3/4-3/8

Find an equation for the inverse of the function, g (x) = x-3/2?

Ed saved 50 dollars one week. For the next 6 weeks he saved the week before. How much did he save in all

6 out of 25 apples in a box were rotten. Express this as a fraction, decimal and a percent.

Solve by completing the square, x^2 + 6x - 6 = 0

Solve 3a+2+3a+7 using distributive property

Calculate the acceleration of gravity on the surface of the following worlds. How much would you weigh, in pounds, on each of the following worlds? A. Mars (mass 0.11 M_Earth) (radius 0.53 R_Earth) B. Venus (mass 0.82 M_Earth) (radius 0.

Find the discriminant and the number of real roots for this equation. 9x2 + 12x + 4 = 0