if the two points known on the line a b in the coordinate plane is (7, 15) (18, 42), calculate the slope of line ab and the length of line ab

How can you construct perpendicular lines and prove theorems about perpendicular lines

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

What is the measure of angle x? a.101 b.158 c.44 d.79