Ok so what you will do is 3-18 then you will add 1 and make is to 400X1
Answer: x = 9
Step-by-step explanation:
The sum of three interior angles of a triangle is 180°.
(9x - 3) + (6x) + 48° = 180°
9x - 3 + 6x + 48 = 180
15x + 45 = 180
15x = 135
x = 9
Answer:
D is the answer. Djeifuuft
Answer:
Step-by-step explanation:
f(x)=4+20+4
=28
