How many solutions does this system have 2x + y = -1 -4x - 2y = -5

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

The longer leg of a 30-60-90 trangle is 18