From a phone survey, a researcher determined that the true estimate for the proportion of voters who will reelect the mayor is likely to be in the interval (0.39, 0.47).

What is the survey's margin of error?

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Mike opens a checking account with an initial deposit of $200. Without making additional deposits, he withdraws $25 each week, Kyle also opens a checking account. The function y-25x + 200 represents the current balance in Kyle's account.

Rewrite in terms of sin (x) and cos (x). sin (x+[7pi/4])

3. Find the quotient of 5/31 divided by 15/23. Reduce your answer to the lowest fraction.

Tim, Moby, Rita and Cassie earned two dollars $20 dollar bills, three $10 dollar bills, three dimes, and two pennies from their shared paper route. How much should each receive? A. $1.76 B. $14.06 C. $17.58 D. $19.28

Paige starts a stamp collection with 4 stamps. Every month, she adds 3 starps to her collection. Which expression represents the number of stamps in Paige's collection, if m represents the number of months that have passed?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.