"No, because using the y-axis tests only whether x = 0 is mapped to multiple values." Shayla probably used the wrong method in finding whether the graph is a function or not.
Answer=
y=-3+3
y=0
the sum of -3+3 is zero.
supplementary angles add up to 180°.
x = measure of such angle
x + 20 = measure of her sibling.
since "x" has 20 less than her sibling, then clearly her sibling has to have 20 more than "x".

Answer:
The simplified expression is:

Step-by-step explanation:
We want to simplify:

We factor the numerator and the denominator to get:

Cancel out u-2 which is common to the numerator and the denominator yo get:

Answer:
A and C
Step-by-step explanation: