What is one tenth of a 20cm area square?

White the number 876,543,210.25 in expanded notation

Elizabeth rolls a die 108 times. How many times can she expect to roll a 2? A. 54 B. 18 C. 36 D. 24

Whats the common denominator for x^2+4x+4

Jenny wants to give her 14-year-old daughter $20,000 when she turns 18. How much does she need to put in the bank now if the interest rate is 10 percent per year?

Samantha invests a total of $26,500 in two accounts. The first account earned a rate of return of 14% (after a year). However, the second account suffered a 4% loss in the same time period.

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.