Three data sets show the number of text messages sent by Jada, Diego, and Lin over the past 6 days as well as the mean number of text messages sent by each student per day.

29.5977692753

step-by-step explanation:

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:

its line 2 i just added the rest or else it wouldn't let me answer