Which sentence contains a spell error

Our friend climbs 15 ft up a tree. They throw your headphones at you, and they go just over your head that is 5 feet tall but they get lost in the grass.

What is the sun 60 degrees?

How can you determine the domain and range of function.

What is the correct setup for finding the cost of renting a boat when you must pay $15 down and $7.50 for each half-hour? (Hint: Use C for cost and t for time.)

Which of the following are accepted without proof in a logical system check all that apply

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.