Mean 87.5
Median 88
Range 14
and Mode All values appeared just once
I do believe the answer is 52, sorry if i’m incorrect
Answer:
∠D = 13°
Step-by-step explanation:
∠A and ∠D are vertical angles and thus are congruent, hence
x - 2 = - 3x + 58 ( add 3x to both sides )
4x - 2 = 58 ( add 2 to both sides )
4x = 60 ( divide both sides by 4 )
x = 15
∠D = x - 2 = 15 - 2 = 13°
The last one is the right answer
Step-by-step explanation:
using the quadratic formula......
