Answer:
5
Step-by-step explanation:
This is Pythagorean triple 3-4-5 or you can verify by plugging into Pythagorean Theorem:

c = 5
The answer to the question is 23
Answer:
114
Step-by-step explanation:
first lets add the ones places = 4+0 which is 4
ones place = 4
Then lets add tens places = 2+9 = 11
tens place = 11
so answer will be 114
I believe it is number one
(but i am not for sure)
To start, the ratio would be 24:42 but this can be simplified Both 24 and 42 are divisible by 6 so the ratio can be simplified to 4:7 or 4 to 7 so choice C
Hope this helps