Option B is correct.
Step-by-step explanation:
We need to identify which of the following equations has exactly one solution.
We will solve each equation to find the answer
A. 
Solving and finding value of x:

This equation has infinite number of solutions because both sides are equal to 0
B. 
Solving and finding value of x:

This equation has exactly one solution
C. 

This equation has no solution because both sides are not equal.
So, Option B is correct.
Keywords: Solving Equations
Learn more about Solving Equations at:
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There are 3 feet in 1 yard.
Multiply 56 × 3 = 168
Jared will need 168 feet of fence to enclose his property.
Answer:
(1)
√(10^2 - 6^2) = 8
SIN(A) = COS(B) = 6/10
COS(A) = SIN(B) = 8/10
(2)
√(9^2 - 5^2) = 2·√14
SIN(A) = COS(B) = 2·√14 / 9 = 2/9·√14
COS(A) = SIN(B) = 5/9
I’m pretty sure it’s B. -3/8x - 1/4 :).
Let no. Of boys be x
And no of girls be y
ATQ: 28 = 11 + y