Answer:
It's D.
Step-by-step explanation:
There are no repetitions of the x values in the ordered pairs so they are all functions.

To solve for n, we have to isolate n. To do so, we move all the terms that are not n to one side of the equation, and leave n on the other side.

Equation: n + 5/16 = -1
Subtract 5/16 on both sides to bring it to the right side of the equation.


Answer: a. 46 cm
Step-by-step explanation:
(7 + 14) × 2 + 2× 2 = 46 (cm)