Answer:
6x-76
Step-by-step explanation:
If you graph it out, you'll realize it makes a line that cuts the y-intercept at -76, thus the last value. The slope also has a gradient of 6, thus the coeffecient of x.
He will have read 495 minutes
10 percent of 450 is 45, add that to 450 and you get 495
sorry i didn't get it
