10 8
6
Frequency
1 3 5 1 9 in 13
data
a
Based on the histogram above, what is the class width?
Class width =
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What is the sample size?
Sample size =

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

This is so hard and it’s for a test

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.