How to do a stem and leaf plot

If f (x) = 3x+5+4/x, what is f (a+2)

What is the sum of 300x200

How do you find if a triangle is a right, acute, or obtuse with given side lengths?

Johnny paid $1.12 for a dozen eggs at his local grocery store determine the cost of 3 eggs

What is the common factor for the expression 24x^2+16x+144

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.