Max spends $2.25 on gas for his lawn mower. He earns
$13.00 mowing his neighbor's yard. What is Max's profit?

Step-by-step explanation:

You need to analize the information given in the exercise.

For this exercise you can use the following formula:

In this case, according to the information given in the exercise, Max spends a total amount of $2.25 on gas for his lawn mower, but he earns $13.00 mowing his neighbor's yard; so you can identify that:

Therefore, knowing these values, you can subsitute them into the formula given above:

And finally you need to evaluate in order to calculate Max's profit. You get the following result:

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°