Question 4 of 10 Evaluate the following expression. You should do this problem without a
calculator.
en 5
O A. 1
a
B. 10
C. O
D. 5
SUBMI

.

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°

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

i would you but i don't under stand the qustion

step-by-step explanation: