Answer:(x,y) x+5,y-3)
Step-by-step explanation: tea
triangle area: 19cm×17.5cm÷2=166.25
square area: 19cm×19cm=361
all:361+166.25×4=1026
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:

