Hey alright, write this. I agree because Marcus is a very smart child. He is obviously right and deservers a full fake account on this site lol. Why are you using this for your homework This wont help you, and you wont learn anything my dude. Whatever hopefully you learn
Answer:

Step-by-step explanation:
We first need to know the square root of I then add 10 on that square root since r is 10 more than the square root of I
Therefore,

Im guessing the answer is true.... not 100% sure tho
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