Answer:
The answer is B.
Step-by-step explanation:
Answer: 21
Step-by-step explanation:
7 multiplied by 3 is 21.
The answer is -100. This is because 50 x 4 = 200 and -300+200=-100
The answer is y=3x-7, because the initial temperature is -7, and it goes up 3 degrees every hour.