What is the slope for this chart?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =