Tickets to a concert cost $2 for children and $5 for adults. If 630 people attended the concert and the ticket sales totaled $2,910, how many children attended the concert?

A circular plate has circumference 17 inches. What is the area of this plate?

A pipe is 30 feet long. It needs to be cut into pieces that are each 2/3 feet long. How many pieces can be made from the pipe?

At Snack Shack, drinks cost $1.50. Write an expression that could be used to find the total cost in dollars of d drinks.

On monday the temperature of 2 degrees per hour. At this rate how long did it take for the change in temperature from 0 degrees to 14 degrees Fahrenheit?

The king has 11 (different) colored flags that he uses to send coded messages to his general in the field. For example, blue-green-red-white might mean "attack at dawn" and white-red-green-blue may mean "retreat.

A flagpole is 20 feet tall and its shadow is 8 feet long. A nearby building has a shadow 31 feet long. How tall is the building?

Whats $3316X8 estimate

How many terms are in the algebraic expression 2y + 3x - 5x2 - 9?

9x-4x<3+-11-2 how to do this

F (*) = log [x+4/*-1] find the domain