Answer:
x = 19
Step-by-step explanation:
To find the value of x, you set the equations as equal to each other:

Then you simplify:

Agreed, I had to take a test on it and y did equal 70
9/15 becomes 90/15 but now u have a point on ur answer so it would be .6 as 15 times 6 equals 90
Answer:
75%
Step-by-step explanation:
It's right
Answer:
i and iii
Step-by-step explanation: