Which statement describes the wave pattern of a high pitch? A: The tops of the waves are close together.
b: The tops of the waves are far apart.
C: The height of the waves increases over time.
d: The length of the waves decreases over time.

Can someone be awesome and me with : (

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.