If these two lines are parallel, they would have the same gradient.
Since Gradient = Rise / Run,
8 / -12 : -4 / 1
These two ratios are obviously not the same, so we can conclude the lines are not parallel.
Answer:
She has 44 stamps left
Step-by-step explanation:
(55 + 150 + 325 + 510 + 780 + 990) - (40 + 150 + 300 + 500 + 800 + 1000) = 2810 - 1790 = 20
(5) you need to subtract 19 from 25 or
9 plus x the number to get 14
Answer:
21 minutes divided by 7 walls = 3 minutes per wall for 5 people
Step-by-step explanation:
Assuming each worker has the same exact productivity, one person would take 15 minutes to paint a single wall (3 minutes x 5 people to get the amount of time for 1 worker per wall).