What is the rate of increase in this function: y = 15(1.12)^x ?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?

Can anyone me get through my algebra 2 class? the only class i need to graduate..