A line with a positive slope is parallrl to one of the lines shown. What is its slope? Use the graph shown below. The slope is:

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.