Three ventilation fans, each working alone, can clear the smoke out of a room in 12 hours, 16 hours, and 24 hours respectively. How long would it...
The ratio will be same
Answer:
B. (-3.5, 1.25)
Step-by-step explanation:
this year you earned $75500. Last year you earned $72400. What the rate of change on your earnings since last y?
by calculating the numbers of hhcf
