Answer:
y=-5/2x-18
Step-by-step explanation:
use the y=mx+b method
plug in -8 for "x" and 2 for "y" and plug in -5/2 for "m"
2=-5/2(-8)+b
multiply -5/2 and -8
2=20+b
subtract 20 on both sides
-18=b (b=ur y-intercept)
ik this dont make any sense but hope this helps
Answer:
Your answer is:
Simplify the expression.
Step-by-step explanation:
Hope this helped : )
The total of the scores on the 4 exams must be at least 75 x 4 = 300.
The total scores in the first 3 exams is 68 + 78 + 81 = 227.
Therefore the minimum score needed on the last exam is 300 - 227 = 73.
The answer is a score of at least 73.