At lunchtime, the temperature was 14°F. By 9 p. m., the temperature had dropped 18 degrees. What was the temperature, in degrees Fahrenheit, at 9 p. m.?

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

What is the value of x in the following equation? -3x-2=2x+8

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