1 + 0.09 = 1.09
90 * 1.09 = 98.1
The original price of the in-line skates was $98.1
Answer:
slope is 3
Step-by-step explanation:
Slope = 
change in y = (13-7), (19-13), (25-19), (31-25)
change in y = 6
Change in x = (4-2), (6-4), (8-6), (10-8)
Change in x = 2
Therefore slope = 
Slope = 3
Answer:
Hi!
Step-by-step explanation:
How are you?
X= pi/4 +k(pi)
(This may not be correct sorry)
Answer:
90
Step-by-step explanation: