Answer:
Perpendicular (right angle)
Step-by-step explanation:
hope this helps!
Answer:
Find two points on a graph, and count up/down, and left/right to find rise over run and simplify if you can. For example on this graph the slope from (0,1) to (3,0) is -2/6 or simplify to -1/3 because you go down two and right 6.
Step-by-step explanation:
Since

is negative, it doesn't have any real roots.
I round the answer to the second digit and get 18.33
45 + 32 + 37 = 114
114÷3 = 38
4 total quizzes,
for a 40 average on 4 quizzes she needs 40*4 = 160 total points
for 3 quizzes she has 45 +32 +37 = 114 points
160-114 = 46, she needs at least a 46 on the 4th quiz