Lisa, a student in an algebra class, made the following statement regarding parallel lines:
"Two lines which are parallel must both have positive
slopes."
Explain why you believe this a true or false statement.

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Find percent notation for 0.008 0.008=

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13