Make an assumption . ''to assume''
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:
0.5
Step-by-step explanation:
Answer:no he misses the rate he needs to run by 30m seconds
Step-by-step explanation:
45/5=9
Answer:
letter d or b
srry if wrong hope thiss helped