12/21 in its simplest form

Graph f (x) = 2 cos (x) - 3

Al and barb each got to the store buy colored supplies. Al buys 11 colored pencils for $0.69 each and Barb buys 3 packs of folders for $2.70 per pack. Who spent more at the store? Explain.

Choose the system of equations which matches the following graph. 2x - 5y = 10 4x - 10y = 20 2x + 5y = 10 4x + 10y = 20 2x + 5y = 10 4x - 10y = 20 2x - 5y = 10 4x + 10y = 20

Ninth-grade students were surveyed about whether they agreed with a school uniform policy. The survey results are shown in the two-way frequency table. Does the data show an association between gender and agreement with a school uniform policy?

The formula AequalsPleft parenthesis 1 plus r right parenthesis squared gives the amount A in dollars that P dollars will grow to in 2 years at interest rate r left parenthesis where r is given as a decimal right parenthesis comma using compound

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.