<h2>1/4 or 0.25</h2>
Step-by-step explanation:

Convert Mixed number to improper fraction.

Equate

Cross Multiply

Divide both sides of the equation by 40

Simplify

Substitute 2 into x in the equation so f(x)= 5x2 -12 = -2 so it’s C = -2
Answer: 1/2= 5/10
5/10 - 3/10 = 2/10 or 1/5
so planet X is 1/5 of a light-year closer
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
You could sort them by there sides. So you count how many sides the figure has. Then it would be split up by two groups. One with with 4 sides and 1 with 3 sides.