Answer:
D
Step-by-step explanation:
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It is undefined when the denominator is 0
Answer:
108 pens
Step-by-step explanation:
48/4=x/9
4x=432
x=108
Answer:
97
Step-by-step explanation:
83 and JKL form a straight line so they add to 180 degrees
83+ JKL = 180
Subtract 180 from each side
83-83+ JKL = 180-83
JKL = 97
Answer: 18
Step-by-step explanation:
Square root of 81 is 9 because 9*9=81 then 9*2=18