(X+12) + (3x-8)=
Help me please

Hi! The correct answer is 4x+4!

Step-by-step explanation:

~Combine like terms~

4 ( x + 1 )

Step-by-step explanation:

Easy. Just combine like-terms!

Rearrange it as x + 3x + 12 - 8

Combine x + 3x --> 4x

Combine 12 - 8 --> 4

You can't combine 4x and 4 because they're not like-terms. Meaning you'd get 4x + 4. You then simplify if needed as 4(x+1)

2. angles qrt and qst both measures 156 degrees.

step-by-step explanation:  

we have been given a diagram of a circle and we are told that measure of arc qvt is 156 degrees.  

we can see from our given diagram that angle qrt and angle qst subtends to arc qvt.

since we know that angles subtended by the same arc at the circumference are always equal.

by angle subtended by same arc theorem, measure of angle qrt and angle qst will be equal to the measure of arc qvt.

therefore, angles qrt and qst both measures 156 degrees and 2nd statement is the correct choice.

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step-by-step explanation:

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