In a race, 19 out of 50 runners finished in fewer than 30 minutes. what percent of the runners finished in fewer than 30 minutes write an equivalent fraction to find the percent

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

If the value of cos330°is√3/2 then find cos 165°.