70,000 + 3,000 + 400 + 80 + 9
you just take each digit and expand it
Answer:
30
Step-by-step explanation:
Substitute the x in the expression with a -5 and substitute the y in the expression with a 6
2(-5)+8(6)
-10+40
30
Answer:
54.50
Step-by-step explanation:
10 * 5 + 9%
50 + 9% (4.50) = 54.50
Answer:
Correct choice is D
Step-by-step explanation:
Given the system of two equations:
Fro mthe first equation
Substitute into the second equation 
instead of y:
Note that 
then the second equation will take look
