No x does NOT equal 16. you would substitute x for 16 which gives you 16+12. That equals 28 not 30. The correct answer is x=18
Answer:
22.8906 sq in
Step-by-step explanation:
SA of a sphere = 4 π 
r = 2.7 / 2 = 1.35
4 x 3.14 x
= 22.8906
The cubed root of 2,744 is 14.
(0,5)
(4,-2)
(-16,17)
just substitute the x and y values from each coordinate into the equation