I dont know how to do any of this work. its all too hard for me but i need it too pass the 8 grade. how do i do it?

Solve tan2x=cot2x in the range 0-180

F-1 (-2) F (-4) F (f-1 (-2))

Parcel of land is sold for 163000, it appreciates at 14% compounded per year. Seller keeps it for 7 years. How much would the seller pay for it?

Write 81.402 in expanded form, using powers of ten.

A radio disc jockey has 8 songs on this upcoming hour's playlist: 2 are rock songs, 4 are reggae songs, and 2 are country songs.

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.