How do you use slope to prove line are parallel

Calvin bought 6 pounds of fertilizer for his yard. He used 1and 2/3 pounds for his backyard and 1 and7/9 pounds for his front yard. How much fertilizer is left?

Which one is more percise 5kg or 5212g?

If a = 1 and b = - 3, what is the value of a - 21 + 12 - bl? A. - 2 B. 4. D. 6 E. 8

X-intercept of 5y=6x-5

A cone has a volume of 810 cubic meters the area of the base is 90 square meters what is the height of the cone

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.