Part a click the plot button, and use the displayed data in the histogram to determine the mean life span (in hours) of the new sample of cfls. write your result to the nearest whole hour.

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

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?

Find the area of the regular hexagon if a side is 20 cm.