Which of the following is the best environment in which to observe impacts of the founder effect? A) the North American great plains
B) the Amazon rainforest
C) small Pacific islands
D) deserts

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?