A clock chimes every 20mins a light flashes every 8 mins
the clock chimes and the light flashes together at 8:00

how many times between 8:01 and 12:30 will the clock chime and the light flash together?
show your working (5marks)

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list