Help Me On These Please 1. 8y and y are like terms.

True

False

2. The expression 55 + 14m - 2n + 3p has

terms.

3.Simplify.

9 + 8 + 3x

20 + x

9 + 11 x

20 x

17 + 3 x

4. Simplify.

4n + 12 + 7n

4 n + 19

23 n

16 n + 7

11 n + 12

answer by yourhope:

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(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180