The function 3x-3 represents the number y pages of text a computer printer can print in x minutes

Use the graph of the sine function y=2sinθ shown below

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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?