Numbers expressed using exponents are called ?

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 point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

Two lines parallel to a third line are parallel to each other. always sometimes or never