Find the Unit Rate: Carrie biked 75 miles in 3 days?

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %

Which expressions are equivalent to -6 + 3m