I hope this helps you
m (R)=m (L)
m (S)=m (M)
m (T)=m (N)
Square both sides to get the binomial out of the square root:
(√(2x + 8))² = (2)²
2x + 8 = 4
2x = 4 - 8
2x = - 4
Divide both sides by 2 to isolate the variable X:
x = - 4 / 2
x = - 2
Your answer is option C.
Height because dependent variable is the measurement
