Three sisters are each 1 year apart in age. Julie is x years old. Ella is 1 year older than Julie. Sue is 1 year older than Ella. Which expression represents the sum of the ages of the three sisters? A) 3x + 3
B) 3x
C) x + 3
D) 3x + 1

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

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.