Helena ate at his fraviote restaurant he received excellent service from his waitstaff and decided to leave a 22 percent tip before tip his bill came to 60 how much would the meal have cost in total including tip

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°