Which statement must be true about line TU? Line TU is parallel to line RS.

Line TU is perpendicular to line RS.

Line TU has no slope.

Line TU has a slope of –5.

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9