Mrs smith has 2 times as many markers as color pencils the total number of markers and colored pencils is 18 how many markers does mrs smith have?

What is an equation of the line that passes through the point (-2,3) and is parallel to the line whose equations is y=3/2x-4? i am stuck between y=3/2x or y=3/2x+6 : (

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Is there an x intercept in the equation 60*1.15^x