-16 + (-8) (-4) - 7
-24 - (-9)
6.25 + (-8.50)
10.8 - (6.4)
-54.26 + (-15.42)

-1 1/2 + 2 7/10
5/8 - 1 7/8
1/4 - 7/8

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

Explain how to graph a scatterplot and its regression line using a regression calculator.