Which expressions are equivalent to 8.9 x + 6.2 + 8.7? Check all that apply. 9 x + 6 + 9 8.9 + 6.2 + 8.7 x 8.9 x + 8.7 + 6.2 8.7 + 8.9 x + 6.2 6.2 + 8.7 + 8.9 6.2 + 8.7 + 8.9 x 8.9 + 6.2 x + 8.7

8.9x + 6.2 + 8.7 equals..

8.9x + 8.7 + 6.2

8.7 + 8.9x + 6.2

6.2 + 8.7 + 8.9x

Step-by-step explanation:

Addition is a property that can be done in any order. Multiplication can not be moved around. The variable x is tied to the 8.9 with multiplication, so it must always be attached to it. The other numbers can be moved around because it is addition.

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step-by-step explanation:

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step-by-step explanation:

let

we know that

the y-intercept is the y-coordinate of the point when the value of x is equal to zero

so

the y-coordinate of the point a is the y-intercept

the answer part a) is

the value of y-intercept is

part b) find the slope m

we know that

the value of the slope is equal to

substitute the values

therefore

the answer part b) is

the value of the slope is equal to

the general answer is

the slope is

the value of y-intercept is