Pythagorean theorem you times 40 by 2 then 9 by 2 then square root
Answer:
C. 5x^2 - 8x + 13
Step-by-step explanation:
The answer is C (EF and HI)
This is because both lines pass through the centre A, meaning both are diameters. Hence, they are equal in length.
If you pay attention 2 goes into 8, 10, & 12 and it looks like they all have one C. So what do you think it is lol?(:
Question 3 is: D. All integers are rational numbers.
Question 4 is: C. the counting number is 4. Hope this helped :)