Consider the following set of equations:

equation a: y = 2x + 4
equation b: y = 3x + 1

which of the following is a step that can be used to find the solution to the set of equations?
a 2x + 4 = 3x + 1
b 2x = 3x + 4
c 2x + 4 = 3x
d 2x + 1 = 3x + 4

Complete the equation of the live through (-1,6) (7,-2)

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters