What is the solution set of {x | x < -3} ∩ {x | x > 5}? a) the empty set
b) all numbers except -3 and 5
c) all real numbers
d) the numbers between -3 and 5

How many zeros does the function f(x)=4x3-x2+1 have

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.