PLEASE HELP ME ASAP I need to find y-intercept and slope using (-18,4)&(-7,4)

y=4

Step-by-step explanation:

I use the slope formula

y2-y1/x2-x1

4-4=0

/

-18-(-7)=11

=0

Finding the y-intercpt

I use (-7,4). Since you know the slope-intercpet form which is y=mx+b

y=mx+b

4=0(-7)+b

4=0+b ( subtract zero on both sides)

4=b

Thus, the equation of the line is y=4.

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°

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step-by-step explanation: