Solve the equation x – 7 = 18
a. x = 11
b. x = -11
c. x = 25
d. x = -25

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.