What is the area of triangle PQR? Round to the nearest tenth of a square unit. 70.5 square units 111.3 square units 185.4 square units 222.5 square units

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.