It is not . There are multiple x values for the y values.
Well, we can substitute the variables and get :
9(21)+3(3)(21)+12
Then we simplify :
189+189+12
To get :
390 flowers
By the way you might be confused like I was for it said "a cake topping," whilst I assumed all tables had cake toppings which is untrue and I nearly ended up with 630 flowers.
Answer:
Can Ou please explain.
Step-by-step explanation:
Y=3x-3+2
y=-9+2
y= -7
Hope that helped
