Emily wants to have her résumé printed. The printing company charges $24. 50 for the first 100 résumés, and then a flat rate for each additional 100 résumés. Emily pays $48. 50 for 300 résumés. How much is the flat rate after the first 100 résumés are purchased?.

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.