Which equation is tru when the value of x is 3.5? a. 2x - 8= 11
b. 2-4x=11
c. 13 - 2x = 38.5
d. x/4 + 9 = 23

What is the slope of the equation y =

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.