Answer: 15
Step-by-step explanation:
Opposite angles of a cyclic quadrilateral are supplementary, so:

Answer:
its 34
Step-by-step explanation:
The answer is A). 23.
<span>g(x)= 2x + 3 </span>
<span>g(x) = x^2 + 1 </span>
<span>g(3) = 10 </span>
<span>f(g(3)) </span>
<span>= f(10) </span>
<span>= 23 </span>
B. 11
Although eleven is a prime number, it's two factors (1 and 11) are odd integers
This means you should do 240*3/8 which is 90. so 90 times 240=21600
the answer is 216000km^2