Answer:
Opening: Opens upwards
Axis of Symmetry: -7/2
Vertex: (-7/2, -81/4)
X - intercepts: (1, 0) and (-8, 0)
Y - intercept: (0, -8)
Step-by-step explanation:
Opening: 'a' is greater than zero
Axis of Symmetry:

Vertex:

X - intercepts:
(x-1)(x+8)
x = 1 and x = -8
Y - intercept: (0, -8)

Every 2 minutes the computer downloads 7.5 megabytes which means that the slope would increase 3.75 each minute.
Answer:
104.3 grams
Step-by-step explanation:
The average weight of a aluminum can is 14.9 grams. There are also 28 students who put 28 aluminum together evenly in 4 boxes. 28 / 4 = 7. 7 x 14.9 = 104.3 in each box