Answer:
Step-by-step explanation:
26x25x24x23x22x21x10x9=30,891,577,600
=Thirty billion, eight hundred ninety-one million, five hundred seventy-seven thousand, six hundred.
the answer was kind of in the question btw :)
Answer: f=3
The intervals means that angle f is between the quadrant 1.
where x+y=90
-3x - 21 + 2x -4
-x - 25
-(x + 25)