Answer:
8.93
Step-by-step explanation:
(4.5+7.5)-8 ÷ 2.6
(4.5+7.5)= 12
12-8÷2.6
8÷2.6 =3.07
12-3.07=
72 degrees
Because you want subtract both of the number from 180 because triangles angles always have to equal 180 degrees. I hope that helped! :)
A. Substitute -x for x and simplify f(-x)
i just did this
I hope this will help you
