Aswimming pool is open for 7 1/2 hours during a day. the pool keeps one lifeguard on duty at a time, and each lifeguard's shift is 1 1/2 hours long.

Really need on these. i have no idea what to do

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle