√42 -- 6.48074069841
√150 -- 12.2474487139
√245 -- 15.6524758425
√398 -- 19.9499373433
Hope it helps... pls mark brainliest
Answer:
16
Step-by-step explanation:
if x=23, 23-7=16
Answer:

Step-by-step explanation:

hope this helps
brainliest appreciated
good luck! have a nice day!