Answer: 3 hours
Step-by-step explanation:
The span between -12.5 and -5 is 7.5. Divide that by 2.5 (since that’s the change) and that’ll give you the amount of time it takes.
Answer:
x<4
interval notaition (-∞,4)
?
DBC = 50 degrees
180 - 80 = 100
2x = 100
divide by 2
x = 50
so