Pete’s grade on a test was within 5 points of his class average of 94. what is his range of grades on the test?

89 to 99

Step-by-step explanation:

We know that the range of data is given by :-

, where ios the average of data and E is the margin of error.

Given : Margin of error =

Class average =

Then, the range of grades on the test will be :-

Hence, the range of grades on the test = 89 to 99

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°