The cost of renting a boat is $51 for 5 hours. Which of the following is not an equivalent rate? Give the letter of your answer and justify your answer. Show your work. A. $61.20 for 6 hours

B. $30.60 for 3 hours

C. $71.40 for 7 hours

D. $41.20 for 4 hours

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?

Trigonometry help asap

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.