Answer:
see explanation
Step-by-step explanation:
tan x = -1

x = -45
tan x = 5

x = 78.69
Explanation: Just add like terms, picture is attactched
Answer:
x=78
Step-by-step explanation:
All angles together =180
Because the lines are congruent (small lines on the sides) the angles are the same so
24+2x=180
2x=156
x=78
Answer:
C. multiplication property of equality
Step-by-step explanation:
Claire is multiplying by 4 on both sides of the equation. This is an example of the multiplication property.