If you have a two digit divisor and a three digit dividend does the quotient always have the same number of digits

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?