15. x ≤ -24
x + 19 ≤ -5
x ≤ -24
16. z > -12
3z > -36
z > -12
17. 185 + c > 410; c > 225
18. C.
x - 6 ≥ 1
x ≥ 7
Okay, so we know it is going to be more than 32000, right?
A is no observable trend, B is a positive linear trend, C is a negative linear trend, and D is an exponential trend
