Answer:
2x
Step-by-step explanation:
when the base is the same, we subtract when dividing, so
3-2=1, 2x^1=2x
Y= 86 degrees and x= 47 degrees
I believe.
Answer:
Its really simple look it up at some site
Answer:
B.) 18
Step-by-step explanation:
To find the correct b value we use this formula
b² - 4ac = 0
b = What we are solving for
a = 1
c = 81
b² - 4(1)(81) = 0
b² - 324 = 0
b² = 324

b = ±18
And 18 is one of the answer choices
So B.) 18 is the correct answer.