Answer:
Step-by-step explanation:
tru
Answer:
x = 45
Step-by-step explanation:
To find x, derive an equation from the figure given.
Angles on a straightline = 180°. Therefore:

Combine like terms


Subtract 135 from both sides


Answer:
y = -2x - 19
Step-by-step explanation:
Slope-intercept form: y = mx + b
2x + y = -19
Subtract 2x from both sides;
y = -2x - 19
Answer:
16, and 40 for the first chart
Step-by-step explanation: