A. 10 feet. 1 inch = 5 feet. 2 inches = 10 feet.
Step-by-step explanation:
Interval notation

Inequality Notation

All of these questions will be exponents and variables.
You get (2x+3)(4x^2-6x+9) when you factor 8x^3+27=0. You just divide by 3 to simplify it.
-2 (-30) - 3y = 42
60 - 3y = 42
-3y = -18
y = 6