4 because you can draw a line horizontally and a line vertically and also two lines diagonally.
Answer:
circle on 1 and all numbers to the right shaded closed circle on 1 and all numbers to the left shaded
Step-by-step explanation:
ANSWER
EXPLANATION
The first equation is
The second equation is
We want to eliminate y, so we multiply the first equation by
We now subtract equation (3) from (2)
Multiply both sides by
Substitute into the first equation to solve for x .
Multiply to obtain
Multiply both sides by 2.
The solution is
Answer:
1km=7 mins
3km = 21 mins
Step-by-step explanation: