Answer:
102.3
Step-by-step explanation:
a_38 = -5
difference d= -2.9
We use general formula

WE make the formula for a_38 th term
Plug in 38 for n

Now plug in -2.9 for d and -5 for a_38


Now add 107.3 on both sides
102.3 = a_1
option A is correct
The area is perimeter times height plus area of the bases
3x +7x+x+x should be your answer
Answer:
9x sqrt 5x
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors.
9x√
5x
#2 or B is not a function because it has 3 as X twice