If cosx=5/13 and sinx<0, find sin (x/2)

Brett measured a building to be 100 ft long and 23 ft wide. How could you use what you know about the powers of 10 to quickly show Brett how to find the area of the building?

Mrs Jenkins has 48 paint brushes and 60 tubes of paint he is going to put an equal number of paint brushes into each cup there will be no supplies leftover

The start time was 11:30 am. The elasped time was 3 hours and 10 mins. What was the end time

A teacher has a 2 gallon container of juice she gives each student a half a cup of juice which equation represents the amount of juice that remains why after ex students are served

what is the solution? 2x + y = - 1 x - y = - 5 { (-8, - 3) } { (2, 7) } { (-2, 3) }

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.