Lin's father is paying for a $20 meal. He has 20%-off coupon for the meal, After the discount, a 5% sales tax is applied. How much did he pay?

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?

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?