Answer:
x=-16
Step-by-step explanation:
y=-20
y=x-4
-20=x-4
x=-16
Answer: the answer is 7°
Step-by-step explanation:
Step one: correspond x values and y values together
it would be: 3, 12 and 4, 16
Step two: divide
12/3 = 4 and 16/4 = 4
both numbers = 4
scale factor is 4
The temperature at 6am would've been -2 because 3 - 5 = -2