How do you calculate the area of a triangle?

Two angles of triangle measure 55° and 20°. Whats is the measure of the third angle of the triangle?

What does it mean if I say addition and multiplication are associative

Which sample size of a population of 200 is most likely to give a reliable conclusion?

Logan and her friend went out to dinner and spent $18.50. They left a tip of $2.59. What percent tip did they leave?

Investment strategies people use to provide security in retirement include all of the following except a. investment in real estate b. opening checking accounts c. opening individual retirement account d. creating investment portfolios

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.