zayn Samantha mira and rosemary go to sleep at 45-minute intervals. samantha goes to sleep 45 mins before mira. rosemary goes to sleep after mira. zayn goes sleep the earliest. rosemary goes sleep at 11.15 pm. on fridays they all go sleep half an hour later. if they all have 8 hours of sleep, what time does Samantha wake up on saturday morning?

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

0.32

step-by-step explanation:

2.24/7

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.