Answer:
274
Step-by-step explanation:
(52+4)*5-2+(-4)
(56)*5-2+(-4)
280-2+(-4)
278+(-4)
(52 + 4) * 5 - 2 + (-4)
56 * 5 - 2 + (-4)
56 * 5 - 2 - 4
280 - 2 - 4
278 - 4
0.525 %
there is a total of 80 students and 42 received a A or B so 42/80 = 0.525
Hope this helps!
Answer: I linked the graph but the intersection point is x= -1
x=3, y=5
