a. let C be the rule which assigns to each customer shown in the table his or her home phone number. is C a function? explain your reasoning

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°

c

step-by-step explanation:

step-by-step explanation:

classify each pair of angles as alternate interior, same-side interior, or corresponding angles.