Converting to base 10 can be done easily by writing a sort of digit expansion. In base 6, this number literally means

Simplifying this gives the value in base 10.

Answer:
15
Step-by-step explanation:
(400-250) divided by 9.5
The answer to y-3=4/7(x-7) is y=4/7x-1
Answer:
3
Step-by-step explanation:
Looking at the first three values of the table- when the x increases by 1, the y increases by 3.