Answer:
Because 4 is a perfect square
Step-by-step explanation:
When simplifying a radical, you have to look for perfect squares. 4 is a perfect square but x is not. Variables are only perfect squares if they have even numbered exponents so the x has to stay in the radical.
Answer:
colby is faster
Step-by-step explanation:
he ran more meters in less time he is faster
X = 2. i have to type anything now so it can be 20 acrs long
Answer:
28 probably sorry if wrong
