Answer:
the easy way to figure this out is to just plug in answers.
start with a, (10)=3(3)+1
10=9+1
10=10
this makes this a true statement
feel free to try the other options but this is your answer
A. (3,10)
Answer:
z = 10
Step-by-step explanation:
the steps have been attached above
160 is 100% of 160, 480 is 4 times that. So 400%
Place value. when multiplying by 10 you are moving a decimal, having everything lined up like place value would save you a lot of time.