Answer:
you do your letters first then your other math
Step-by-step explanation:
Anything except pi is a rational number. So 9 and 7/10 is one or it could be a whole number
Answer:
a and b
Step-by-step explanation:
15x-60=120
15x-60-60=120-60
15x=60
15x/15=60/15
x=4
3x=12
3x/3=12/3
x=4