C bcz i checked the calculator ∞
x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.
It's the first option, I'm pretty sure.
Hope this helps!!
Answer:
104 ft
Step-by-step explanation:
6 x 4 = 24
16 x 8 = 128
128 - 24 = 104 ft