Multiply.(9x + 11)(9x - 11)
A. x2 - 121
B. 81x2 + 198x - 121
C. 81x2 - 121
D. 81x2 - 198x - 121
Answer: C
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Write a word name for the given decimal notation.419.99
A. Four hundred nineteen and ninety-nine tenths B. Four hundred nine and ninety-nine hundredths C. Four hundred nineteen and ninety-nine thousandths D. Four hundred nineteen and ninety-nine hundredths
Identify the radicand.
A. 
B. y + 8
C. y - 8
D. 
Solve the problem.In Antartica, the high temperatures for the last four days have been 17.2°F, 5.6°F, 
and 
What is the average high temperature for this 
period?
A. 10.425°F B. 8.445°F C. 9.825°F D. 11.075°F
Solve.The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal and Cal is 1 year younger than Ben. Which of these people were teenagers 7 years ago?
A. Ben B. Art, Ben, and Cal C. Art D. Art and Ben