Car rental in thailand cost $35 per day when booked in advance. if rented locally you would be charged 1800 bahts per day. if the exchange rate is 40 bahts equals $1 how much cheaper is it to book in advance

What is the size of the matrix resulting from

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Reflect the point (7,0) across the y-axis