Answer:
The total cost is 
Step-by-step explanation:
Let
x-----> the number of tulips
y-----> the number of daffodils
C-----> the total cost
we know that


substitute the value of x

Find the total cost

substitute

Answer:
Sean is 1.15m
Step-by-step explanation:
35cm = 0.35m
Lisa is 1.5m tall and Sean is 0.35m shorter
1.5m - 0.35m = 1.15m
Sean is 1.15m
Answer:
A)
Step-by-step explanation:
Answer: Yes, I believe that she does, because 15 is greater than 13.
Step-by-step explanation: