Answer: 
Step-by-step explanation:
Given
The perimeter of one equilateral triangle is P
The lengths of the equilateral triangle are equal
Suppose x is the length of each side

i.e.

Answer:
x=38.5
Step-by-step explanation:

cos(x)=
x=38.5(correct to the nearest tenth)
Answer:
C
Step-by-step explanation:
if you add the value if f(x) to t
Four terms are used when grouping to factor.
Answer:
ok
Step-by-step explanation:
ok