Answer:
it moves graph left
Step-by-step explanation:
h=left and right
k=up and down
the like terms are: 10y, and -9y because they are both of the same variable, y.
Call the price of the bike before mark up 'x', then we have:
x + 0.25x = 210
1.25x = 210
x = 168
Therefore, the bike cost $168 before 25% price increase.
0
You compare the degrees of the numerator and the denominator.
The numerator has a degree of 0 and the denominator has a degree of 1.
Since the numerator < denominator the degree is 0.