The answer is D Explanation: since the the slope is negative the x should be negative and D is the only one that has a negative X.
Answer:
Total monthly cost (x) = $39 + ($0.07/min)x
Step-by-step explanation:
The y-intercept is $39. The slope is ($0.07/minute)x, where x is the number of talk minutes. Thus:
Total monthly cost (x) = $39 + ($0.07/min)x, where x is the number of talk minutes.
4x-8=9x+2
4x=9x+10
-5x=10
5x=-10
x=-2
Answer:
35.5
Step-by-step explanation:
H, A
Cos=A/H
Cos 65= 15/x
x=15/cos 65
