Choose the correct answer.

When combining radicals you combine both the coefficients and the radicand.

When combining radicals you combine only the coefficients.

When combining radicals you must have the same radicands and you only combine the coefficients.

When combining radicals you must have the same radicands and you only combine the coefficients.

Step-by-step explanation:

2√2+√2=3√2

2√3+√2= NO SOLUTION

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

really really sorry if i'm

-12 -5(x + 4) = 3x

-12 - 5x - 20 = 3x

-12 - 20 - 5x = 3x

-32 - 5x = 3x

    + 5x   + 5x

-32 = 8x

8         8

- 4= x