Which fraction is the largest?

6
7

1
6

2
3

7
8

1
3

Which is an equation for the nth terms of the sequence 12,15,18,21

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)