Answer:
11x^2+2
Step-by-step explanation:
you put the 9x^2 beside 2x^2 because they are both x^2 then the 2 will stay the same
Yes, all numbers are real numbers because a number is a number, and nothing can change that. I hope this helps you!
All numbers<span> that are not </span>rational<span> are considered </span>irrational<span>. An </span>irrational number<span> can be written as a decimal, but not as a fraction. An </span>irrational number<span> has endless non-repeating digits to the right of the decimal point.</span>
Answer:

Step-by-step explanation:
20 is greater than y.
Answer:
4th option
Step-by-step explanation:
The chord- chord angle 67.5° is half the sum of the arcs intercepted by the angle and its vertical angle, that is
67.5 =
(x + 90)