Answer:
b. 7+21
Step-by-step explanation:
If you do 1+3=4 and then 4 times 7 that equals 28. When you do 7+21 that equals 28 too. So b is the answer
Answer:
2400 dollars
Step-by-step explanation:
600 minutes in 10 hours
600/5 = 120
120*20 = 2400 dollars
Answer:
3)Quadratic
Step-by-step explanation:
Brainliest?