Determine which expressions represent real numbers and which expressions represent complex numbers.

40 describe the outliers from the scatter plot.

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)