Prime number- a number that has only two factors.
The 1 weeks is longer because the hours is like 53 days and the weeks are like 133 days
Answer:
76 on second exam, 80 on third exam
Step-by-step explanation:
First, find the total of all 3 test scores by multiplying the average by the number of elements. 81 · 3 = 243.
The first score is 83 so 243 - 83 = 160. 160 is the other two test scores combined.
To find the other 2 scores, divide 160 by 2, which is 80.
The second score is 4 less so it will be 76. The third score is 80.
Answer: Ernie has $750 and Bert has 
Step-by-step explanation:
Let the amount that Ernie has be 'x'.
Let the amount that Bert has be 
Amount lost by Ernie = $225
Amount gained by Bert = $675
According to question, we get that

Hence, Ernie has $750 and Bert has 
Answer: A/D
Step-by-step explanation: