Which situation is best modeled by the equation 9 plus x equal 16?
a. you have $16 left after spending $19 and some other amount.
b. the price of a water bottle, $9, was decreased by some amount of $16.
c. nine friends each pay the same amount to get into a theme park, and the total is $16.
d. you pay nine dollars for a burger and some amount for dessert for a total of $16.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never