Answer:
8
Step-by-step explanation:
Add the whole numbers:
5 + 2 = 7
Add the fractions:
2/5 + 3/5 = 5/5 = 1
Add these together:
7 + 1 = 8
Hope this helps!
Answer:
3
Step-by-step explanation:
The expression is
. To find the value, substitute the values x = 3 and y =-2 then follow order of operations.

Answer:
Step-by-step explanation:
No, -0.25 represents a weak to moderate negative correlation. On the other hand, -0.87 would represent a strong negative correlation.
If there are x boys, there are 2x girls. boys+girls=27 gives x+2x=27. Solving, 3x=27 or x=9. Since there are 2x girls, there are 2*9=19 girls.
Answer:
B
Step-by-step explanation:
So this was a pretty difficult question to do algebraically so I just came up with an example.