Answer:

Step-by-step explanation:
Given: Number of students who were given Cardinal Credits last week for good behavior = 14
Number of students who were given Cardinal Credits this week for good behavior = 22
To find: percent increase in number of students who were given Cardinal Credits
Solution:
Increase in number of students = 22 - 14 = 8
Percent increase in number of students who were given Cardinal Credits = Increase in number of students / Number of students who were given Cardinal Credits last week for good behavior × 100 
Y=4 (-2)=-8
y=4 (1)=4
y=4 (2)=8
Answer:
Quadratic formula is in the 2nd picture.
Step-by-step explanation:
Answers in the photo.
Solve the equation for r by finding a,b, and c of the quadratic then applying the quadratic formula.
Answer:
(5/15)(4/14) = 4/42 = 2/21
Step-by-step explanation:
Answer:
2/3, 1,2,4
Step-by-step explanation: