57 / 60 will give you the percentage! :)
95% of students passes.
The probability of Erin not having a heart attack according to her family history would be 30%.
The probability of the test predicting correctly is 67%.
Therefore, the probability of the test correctly predicting that Erin will not have a heart attack would be (0.30)(0.67) = 0.201 or 20.1%.
The answer is 3^12. i'd explain it but i took me seven minutes to do the the problem myself. :)
5x4=the amount of change. His total change was $20
Answer:
The question at the top is:
Factor
x
2
+
2
x
−
63
using the AC method.
(
x
−
7
)
(
x
+
9)
WHICH THE ANSWER IS (B)
The question at the bottom is:
Factor
x
2
+
18
x
+
80
using the AC method.
(
x
+
8
) (
x
+
10
)
WHICH IS ANSWER (C)
Step-by-step explanation:
Hope this helped! :)
