Ab + 4 + a + 4b

pls help if u can.

Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?

Which statement best explains why ben uses the width hi to create the arc at j from point k

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b