How do you find the slope of parallel lines?

How do I solve 28-0.3y=0.7y-12

Carl drove 561 miles. His car average 33 miles per gallon of gas. Write and solve an equation to find how much gas g Carl's car used.

Solve: 2x - 1 > 3?

14) Instructor Cost per hour Mark $100 for 10 hours Rick $80 for 9 hours Steve $75 for 8 hours Andy $60 for 5 hours Meg wants to take tennis lessons. In the chart, four instructors are listed with what they charge.

Sum of two numbers = 11. product of the numbers=24 find the numbers. what is their difference?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.