What does it mean by trigonometry?

1. A scuba diver was exploring a reef 32.12 m below sea level. The diver ascended to the surface at a rate of 8.8 m/min. Is the distance (32.12) positive or negative? Why can't it be positive/negative?

A package of 6 pairs of socks costs 5.16 how much will the rate per pair change if the price for the package decreases to 4.50

What is the equation to x-13=49?

What is the estimate of 1/2-1/4?

Me Mccory buys 12 students tickets and 12 adult tickets to a play. The total amount she pays for the tickets is 359.40. If the price of each student ticket is 10.25, what is a, the price of each adult ticket

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.