Answer:
Step-by-step explanation:
6< 3x + 9
-3x < 9-6
-3x < 3 .( -1 )
3x > 3
x > 3/3
x > 3
3x + 9 ≤ 18
3x ≤ 18-9
3x ≤ 9
x ≤ 9/3
x ≤ 3
S = {XeIR/ 3 > x ≤ 3 }
Not sure if the solution looks like this
I think the answer is 320miles,
3hs at 60mph = 180miles
2hs at 70mph = 140miles
so 180+140=320miles
First identify the y-int. The y-int is the b in y=mx+b. So in this case, y=2/3x-3, meaning the y intercept is -3. Now, transfer the equations on the bottom to the form y=mx+b by moving the x over to the right side. The answer is the third choice.
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