4.
Describe any patterns that you observe in the frequen
(Vou observe in the frequency column

a + b + a + b +a +b etc

Step-by-step explanation:

the pattern is the ongoing exspression of a+b+a+b going over and over again.

Step-by-step explanation:

it is this way because it is an ongoing exspression, meeaning it repeats its self over and over again.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d