It went from 10 to -2, so you need to find the difference. The way you'd do this is: 10 - (-2). Do you know how to subtract a negative number from a positive number?
Jamal's score is 80
<u>Explanation:</u>
Given:
Number of questions = 100
Let w be the number of wrong answers
Let r be the number of right answers
According to question,
r = 4w
r + w = 100
Solving both the equations we get:
4w + w = 100
5w = 100
w = 20
If w = 20 then r = 4 X 20 = 80
Therefore, Jamal's score is 80
Answer: 8
Step-by-step explanation: four plus four equals eight
Answer:
28
Step-by-step explanation:
because it's value increases by 28 every month
Answer:
the slope is 3/5
Step-by-step explanation:
and if you want the y intercept it's 4