Answer:
Line nine and ten are straight
Step-by-step explanation:
Draw a straight line through nine and ten
Answer:
ok what is the question
Step-by-step explanation:
Answer:
-18
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
It is shown that the whole angle is 90 degree and we have 1 part in numbers so
35+5x=90
5x=90-35
5x=55
x=11
Answer:
(n+2)(n+1)
Step-by-step explanation:
Write out the numerator and cancel common factors:
(n+2)!/n! = (n+2)(n+1)n!/n! = (n+2)(n+1)
_____
You might be expected to multiply it out:
= n·n +2·n +n·1 +2·1
= n² +3n +2