200 kids and 10 adults are going on a field trip. How many buses do they need, if a bus holds 45 people

What statement is true? 2x^2-9x+2=-1

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

Which rule describes the composition of transformations that maps △abc to △a”b”c