The opposite of 1 is -1 :)
So you would use the law of sines so set up the equation sin18/16 = sin72/x (sin 72 being the top angle) and then you cross multiply and solve from there:)
Hope this helps!
Answer:
(x-2)(x^2+2x+4)
Step-by-step explanation:
x^3-8
x^3-2^3, Now using the base equation for the difference of cubes
(x-y) (x+xy+y^2), y is equal to -2 in this instance.
(x-2)(x+2x+4)
Answer:
16 the tip is $9 so $59
17 i am not sure i am soo sorry
18 21.95
Step-by-step explanation: