The traffic lights at three different road crossing change after every 48 secs, 72 secs and 108 secs respectively. if they change simulatenously at 7 a. m. at what time will they change simulatenouslyagain

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

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !