You really meant to type a_3.
a_3 = nn + 1
Replace every n with 3 and do the math.
a_3 = (3)(3) + 1
a_3 = 9 + 1
a_3 = 10
$20 of interest. An easy way to think about this problem is first to solve for 10 percent which is easy because you just move the decimal to the left one place, then 5% is half of 10% which is equal to 40 so 40 divided by 2 equals 20
The answer is c hope this helps and
Answer:-
x=110 degree
Step-by-step explanation:
It's quadrilateral so it's total sum degree is 360
then 40+82+128+x=360
360-(128+82+40)=X
x=360-250
x=110 degree