Each week fred works 3 1/2 hours on monday, 3 hours on tuesday, 2 hours on wenesday, 2 1/4 on thursday, and 4 hours on friday. how many hours does he worl per week

The answer is 14 hours and 45 minutes

Step-by-step explanation:

all you need to do is add it up, not that hard

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

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°