How do you divide/multiply/add fractions?

If 60 seconds are in a minute 60 minutes in an hour and 24 hours in a day then 86,400 what type of reasoning is this? inductive or deductive?

What is sin B? 3/5, 3/4, 4/3, 4/5?

Solve for c c^2+10c+16

The product of 2 and the second power of y in algebraic expression

What is the coefficient of x^2y^3 in the expansion of (2x+y) ^5? A. 2 B. 5 C. 40 D. 80 E. it does not exist

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.