Answer:
b
Step-by-step explanation:
A proportional relationship is a straight line. Is must also go through the point (0,0)
Answer:
(9 + 11) /(5 + 4 + 1)(9 + 11)
20/10(20)
20/200
1/10
Answer: Jane's height = 
Step-by-step explanation:
Given: Lisa's height = 

Joey's height =
inches

Jane's height =
inches

Hence, Jane's height = 
Answer:
73
Step-by-step explanation:
72 - 35 = 107
180 - 107 = 73
107 + 73 = 180
Answer:
f(x) = sin(x)
Step-by-step explanation:
The graph above is the exact parent graph of f(x) = sin(x).
f(x) = cos(x) would have an y-intercept of 1, and would not be correct.
The negative functions would be incorrect as it would be flipped.