Answer:
-2
Step-by-step explanation:
The coefficient is the number in front of the variable.
we know that
in expanded form is equal to

therefore
<u>the answer is</u>

Answer:
Option A is correct not arithmetic
Explanation:
We have given terms
these terms are not an arithmetic progression because
Arithmetic progression is the sequence of terms in which difference between successive and proceeding terms is same.

we can see the difference between
and
is 
Whereas, the difference between
and
is
.
Answer:
x = 25
Step-by-step explanation:
it's an isosceles triangle so base angles are the same
3x - 30 = 45
Add 30 on both sides
3x = 75
divide both sides by 3
x = 25
Answer:I don’t understand
Step-by-step explanation:just re Wright it and I’ll give you da answer;)