A realtor uses a lock boxesthe realtor uses a lock box ​

What percent of the circle below is shaded?

The surface area of the triangular prism is .

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.