Completing the squares tells us exactly what square root we will need to calculate our answer.
Using the formula below you can find these answers:

Does this make sense?
Answer: i am pretty sure the answer is either A or C
Step-by-step explanation:
16.24 ÷ 1,000 = 0.01624
Good luck! <3
Answer:
x=7 because 25-4=21 and 21 ÷3=7
Answer:
B and D
Step-by-step explanation:
To find the percentage, you divide Martin's correct answers by the total number of questions, then multiply the result by 100.
To find the fraction, it's <em>correct answers/total questions</em>.