Answer:
Step-by-step explanation:
Cross multiply on both sides
= (x + 1) (21) = 15(x + 3)
= 21x + 21 = 15x + 45
Bringing like terms on one side
21x - 15x = 45 - 21
= 6x = 24
x = 24/6 = 4
Option A is the correct answer
Answer:
need points
Step-by-step explanation:
is this a question
Cosθ = adjacent / hypotenuse
I hope I helped you^_^
-1.331. -1.1 * -1.1 * -1.1
