What objects can be measured by inches

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.