My brain hurting can u help

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Apasta salad was chilled in the refrigerator at 35° f overnight for 9 hours. the temperature of the pasta dish dropped from 86° f to 38° f. what was the average rate of cooling per hour?