When solving an equation, Bianca's first step is shown below. Which property justifies Bianca's first step? Original Equation:
3
+
(
2
+
x
)
=
3+(2+x)=

5
5
First Step:
First Step:
(
3
+
2
)
+
x
=
(3+2)+x=

5
5

Associative Property of Addition

Step-by-step explanation: She had moved the parenthesis to make it easier to add the like terms and this action in the Associative Property of Addition.

a 360 degree rotation

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°