The projection screen in the school auditorium is five times as long and 5 times as wide as the screen in the library. the screen in the library is 4 feet long with a perimeter of 14 feet. what is the perimeter of the screen in the auditorium?

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Multiplying fractions by whole number 5 x 1/3=?