Answer:
5
Step-by-step explanation:
6x + 2y = 18
2y = -6x + 18
y = -3x + 9
Answer:
The graph in the attached figure
Step-by-step explanation:
we have

This is the equation of a vertical parabola open upwards
The vertex is a minimum
The vertex is the point (1,2)
The y-intercept is the point (0,3)
The function does not have x-intercepts
see the attached figure
the answer is y=2x-3
You can look at my work if you really need to
2 classes of 21 students each
21 × 2 classes = 42 students in total
42 × 3 mins = 126 minutes for 42 students
10 mins for 2 class pics = 20 minutes
126 + 20 = 146 minutes = 2 hours and 26 minutes
It should take 146 minutes (2 hours and 26 minutes) to take all the pictures.