Answer:
speed of boat is 12 miles per hour and the speed of current is 9 miles per hour
Step-by-step explanation:
Six hundred seventy-eight million nine hundred eighty-five thousand four hundred eighty-eight. (I think)
Do you mean checking your work? In that case it would be 9*20.
Answer:
10
Step-by-step explanation:
you do step by step math and after you do that you will get 10
Answer:
14
Step-by-step explanation:
7*2y+27
14y+27
14 is coefficient of variable y