Y is 116 and I'll work on z for ya
Answer: 84%
Step-by-step explanation:
1. You know that the student earned 42 out of 50 points on the last test.
2. Then, to calculate the percent the student earned, you must divide 42 points by 50 points and then you must multiply by 100, as you can see below:
Let's call
the percent the student earned. Then:

%
Answer:
C.) True equation. X = all real numbers
Step-by-step explanation:
Answer:
The "Verticle" line test is used to determine if a graph represents a function.
Step-by-step explanation:
This is due because functions have to contain one output and not multiple, and this can be tested with the vertical line test. Hope this helps!
Answer:
0.79
Step-by-step explanation:
1.4-0.61=0.79