Answer:
170
Step-by-step explanation:1/4 is just like dividing 4 so 680 divided by 4 equals 170
Answer:
y=5x+8
Step-by-step explanation:
If its perpendicular it will have opposite slope but the same y intercept
Answer: 25%
Step-by-step explanation:

The right fraction represents the percentage; 42 over 100 (100 is the total), or 0.42.
The left fraction is the part number over the whole number. The whole number is unknown, so we use 'x'.
Your answer is 75.
THE EQUATION TO THIS PROBLEM IS y=2x+12