Answer:
A) a²-2a+2a-4 the a is correct check my explanation to understand the answer.
Step-by-step explanation:
(a+2)(a-2)= a²-2a+2a-4
Answer:

Step-by-step explanation:
4unity to the left
3unity down
Answer:


Step-by-step explanation:
Hello!
1)
Given the table of probabilities you have to calculate the conditional probability that the result was a homeroom given that Casey was batting.
Following the general model you can calculate this probability as:

Given two events A and B that are not independent, the probability of A given that B has occurred is equal to the division between the intersection between A and B by the probability of B.
In terms of this excersise:

Reading the table, the "P(Casey)" is found on the marginals of the table, is calculated as the summation of all battings done by Casey:
P(Casey)= 0.1125+0.05+0.3375+0.025= 0.525
P(Homeroom∩Casey)= 0.025

2)
You have to calculate the probability of the batting being made by Rob given that it was a hit.

The probability of the intersection is
P(Rob∩Hit)= 0.2875
P(Hit)= 0.2875+0.3375= 0.625

I hope this helps!
Answer:

Step-by-step explanation:
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Left at 12 p.m.
traveled 3 hrs and 5 min.....now it is 3:05 p.m.
stopped for fuel, 10 minutes....now it is 3:15 p.m.
drove for 1 hr and 20 min.....now its 4:35 p.m