Look at the system of equations below. 9x + 2y + 5z = 18
x + 3y + 4z = 11
x + y + 2z = 5
What is the sum of x, y, and z?
A
2
B. O 3
COA
D. 5

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Define the type of sequence below. 7, 14, 28, 56, 112, a. neither arithmetic nor geometric b. arithmetic c. both arithmetic and geometric d. geometric