Select the ordered pair that is a solution of the system of linear equations,
y = -3 +7
y = 2x - 8

1. (2,-4)
2. (-4,2)
3. (5,2)
4. (2,5)

why do wages differ across industries

step-by-step explanation :

micro economists are concerned with economics on an industry or individual firm basis.

macro economists are concerned with national and international level

is this part of a question or something

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°