Which of the following equations are true for the number 9? Select all that apply.

A.
4
÷
□
=
9
4
B.
1
9
=
□
÷
9
C.
7
÷
□
=
7
9
D.
□
÷
1
9
=
81

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your