The graph is the space between (and including) the lines
... 5x + y = -1
... 5x + y = 11
I think the answers are: a = 60°, b = 45°, c = 36°.
Answer:
Both ordered pairs are solutions to this equation.
Step-by-step explanation:
If you plug in the x and y values given in the ordered pair, you make the left side of the equation equal the right for both pairs.
Aidan has put 21 hours of work. To simplify it, Harry worked 7 hours and Aidan worked 7 x 3 times which equates to 21 hours.