combine like terms on the left side. you always go from left to right.
Related angle is 45 degrees, set up a triangle and use exact trig values to solve for x and y, then rationalise the denominators
Answer:
(2,2) and (0,-2)
Step-by-step explanation:
Use the website desmos for questions like graphing
Answer:

Step-by-step explanation:
Required
Write an equation to present her daily earnings?
Let daily sales be represented by x and daily earnings be represented by y.
y is calculated as thus;


Convert percentage to decimal


Hence, her daily earnings is 
Answer:
1. The second number line, the third number line, the first number line.
2.


