Answer:
-54 ft/min
Step-by-step explanation:
Find this rate of change as follows: (change in altitude) / (time).
Here, that would be -378 ft / 7 min = -54 ft/min
Answer:
Graph attached.
Step-by-step explanation:
y >
x + 3
When x = 0 , y = 3
When y = 0 , x = -4.5
Graphing the two points (0, 3) and (-4.5, 0) gives the graph attached below:
The shaded part is the wanted region.
(4, -2)
3(4)-4(-2)-8= 12
12+8-8=12
12=12
Answer:
B
Step-by-step explanation:
Recall that 
So now

The answer is d. if they are chemically joined as a mixture is multiple element but they aren't chemically joined. And an atom is what the element is made of and a solution is not anything to do with joined elements