Answer:
y-y1 = m(x-x1)
Step-by-step explanation:
Letter m is the slope.
x1, and y1 is a given point.
Answer:
21 quizzes
Step-by-step explanation:
Divide 15 by 5 to know how many 5 minutes are in 15 minutes.
![15 \div 5 = 3](https://tex.z-dn.net/?f=15%20%5Cdiv%205%20%3D%203)
5 minutes are spent for 7 quizzes.
5 × 3 minutes are spent for 7 × 3 quizzes.
![7 \times 3 = 21](https://tex.z-dn.net/?f=7%20%5Ctimes%203%20%3D%2021)
Mrs. Miklos can grade 21 quizzes in 15 minutes.
I think the answer is
No
No
Yes
But I'm not sure about the last one