Answer:
i cant see the exponent sorry
Step-by-step explanation:
I don’t know find it out lol
Answer:

Step-by-step explanation:
Given
See attachment
Required

From the question, we understand that she can only get blood from O or A groups. So, the probability is represented as:
This is calculated as:

Using the American row i.e. the blood must come from an American.
We have:


So, we have:


Answer:
504/90 or 5.6 pencils is made after 9 minutes
Step-by-step explanation:
Answer:
900
50+10x; At least 85 hours
Step-by-step explanation:
Nick must make at least 900 dollars, so the amount he has + earns must be greater than or equal to 900 in order to walk out of the store with it.
50 is the amount that Nick already has, and add that to 10x, which gives $10 for every x hour.
To solve, subtract 50 from each side.
850
10x
Divide by 10 to solve for x:
85
x
Nick must work at least 85 hours.