Atheatre with seating capacity 900 charges $4 for children, $6 for students and $8 for adults. at a particular screening with no empty seats, there were half as many adults as students and children combined. the receipts totaled $5600. how many children were at the show?

What is the equation of the graph below? y=sec(x)-4

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

The table above shows approximate conversions from gallons to liters. what is the value of x?