Answer:
_______________________________________________________
The correct statements are:
_______________________________________________________
[B]: "<span>An elevation of –21 ft is lower than an elevation of –18 ft ."
_______________________________________________________
[D]: "</span><span>An elevation of –18 ft is higher than an elevation of –21 ft ."
_______________________________________________________</span>
70+9x+7-21x-5=0
-12x=-72
x=6
Explanation:
The three inner angles of the triangle add up to 180. And if a straight line is split into two angles, those also add to 180 degrees. So we can make the equation '9x+7 + 70 + 180-(21x+5) = 180'
Domain: (-∞,∞)
Range: (3,∞)
x-intercepts: none
y-intercepts: (0,7)
Interval positive: (3,∞)
Interval negative: none
Interval increasing: (7,∞)
Interval decreasing: (-∞,7)
I'm not sure what the average rate of change over is though.
14 x 4 = 56
Jonia needs 56 tablets to fill Mr. Robinson’s prescription.