Answer:
you need to use tracing paper for this
Answer:
-9 + (n-1)-7
Step-by-step explanation:
formular for AP is
a+ (n-1)d
where A is -9
d is 5--2=7
or -2--9=7
So, first you divide 75000 by 1000. Then you add 2 to each side. Then that's the answer, x=77
Answer:
(5 + 3i)(5 − 3i) = 34
Step-by-step explanation:
The multiplication of two identical binomials who have different symbol, can be solved using the factoring case of a difference of squares:

So, in this case:


Remember that 
So: 
We replace on the polynomial:

Answer:
Choice C should be the answer
Step-by-step explanation:
Because all of them adds up to 180 since it is a straight angle.