Answer:
Refer to image below:
Step-by-step explanation:
Answer:
probably 85 points
Step-by-step explanation:
535 - 450
The probability of the union of two events is the sum of their probability, minus the probability of their interserction:

If we plug the known values into this formula, we have

From which we can deduce

So, the probability of
is a bit less than
, we have to take away all events that belong to B as well:

Answer:
-1152
Step-by-step explanation:
abc² the expression can be rewritten using the given values for each letter
(-3)*6*(-8)^2 now we find the second power of (-8) by multiplying it with itself
(-8)*(-8) = 64
(-3)*6*64 = -1152
Answer:
$63
Step-by-step explanation:
30% of 90 is 27
90-27=63