Pls help First box choices : 9x^2-15x
-9x^2-15x
-9x^2+15x

Second box choices:
3x
-3x
X

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?