2/10 + 1/2 written as a fraction

many years ago, shane's grandfather planted a willow tree in his backyard. the willow tree is 10 meters tall today. how many centimeters tall is the willow tree?

An Olympic swimming pool is 6 meters long how many lives will and have to swim in order to swim 1 kilometer

Two parallel lines are graphed on a coordinate plane. how many of the lines could represent proportional relationship? Explain.

Solve: sin5x - cos2x + sin x = 0.

If b=a+3, then (a-b) ^4=?

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.