In how many ways can a teacher arrange 6 students in the front row of a classroom with a total of 20 students?

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?