Answer:
A and D
Step-by-step explanation:
I tried to show all work.
Answer:
9
Step-by-step explanation:
KL + KJ = 17
2 + 3x + 5x - 1 = 17 add like terms
8x + 1 = 17 subtract 1 from both sides
8x = 16 divide both sides by 8
x = 2
KL = 5x - 1 replace x with 2
5*2 - 1 = 9
Answer:
x=2
Step-by-step explanation:
3+2x=13-3x
+3x +3x
3+5x=13
-3 -3
5x=10
/5 /5
x=2
Hope this helps! :D
Answer:
D. 5
Step-by-step explanation:
Mean: (50+60)/2
110/2
55
Margin of error:
60 - 55
5