4. How is the number below written in scientific notation?
80
A 8 x 10:2
B 80 x 10:2
C 80 x 10:1
D 8.0 x 10:1

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons