How do i simplify polynomials addition problems

Pauline billed her neighbor a total of $100 for the plumbing work she did. The cost of the materials was $12 and she Charged $16 per hour for her service. How many hours did she work? 9.7 hours 5.5 hours 7.0 hours 2.6 hours

Select the correct answer, Which action can you take to determine whether your identity has been stolen? A. Call the credit card company's customer service department to update your contact information. B.

Match the following items by evaluating the expression for x = - 6.

John has $132.55 in his bank account. He wants to join a guitar class that charges a $15 fee every week. John plans to take the class for 12 weeks. If John pays for 12 weeks of guitar classes from his account, his account balance will be $ .

Otto used 6 cups of whole wheat flour and x cups of white flour

Is (7,4), (5,-1), (3,-8), (1,-5), and (3,6) a function?

The expression 1/12 divided by {5/12 + 1/4} is equivalent to which of the following values A. 7/12 B. 1/12 C. 1.12 D. 1/18

I need to know what 478 dividend by 27

A card is drawn from a standard deck of 52 playing cards. Find the probability if the card is ... A) an ace or heart B) an even number or a spade C) a red queen or black face card D) a face card or a heart

A random sample of museum visitors were asked whether they will purchase tickets to an upcoming exhibit. The resulting confidence interval for the proportion of visitors who will purchase tickets is (0.1,0.2). What is the margin of error?