Answer: A = k =250
B= y,x=0.5
Step-by-step explanation: Find the constant of variation.
Answer:
the value of c(30) is 21.2, which represents the customers final cost of $21.20
Step-by-step explanation:
d
First you have to find the medians which is when you put the numbers in number order and find the one in the middle.
Class A: 60,65,70,70,75,80,80,85,90,90
=77.5
Class B: 75,85,85,85,90,90,90,90,95,100
=90
That the class B is more advanced, and they probably studied.
(1,4)
Use substitution
-5x=-(x+3)-1
x=1
-5(1)=-y-1
y=4