Answer:
3.
Step-by-step explanation:
3(n + 4) = 21
3n + 12 = 21
3n = 21 - 12 = 9
n = 3.
Answer:
i think its 234
Step-by-step explanation:
Answer:
the first hour it becomes 3 degrees
second hour it becomes -2
third hour it becomes -7
Step-by-step explanation:
Answer:
Using the two marked points we see that the slope is -3 and the y-intercept is 1 so the answer is y = -3x + 1.