Answer:
X=0
Step-by-step explanation:
Answer:
a) 32
b) 
Step-by-step Explanation:
Initial pattern has 7 sticks.
Second one has 7+5 sticks.
Third has 7+5+5 sticks.
.
.
.
Sixth has 7+5+5+5+5+5=32 sticks.
$n^{th}$ has $7+ 5(n-1)$ sticks.
5•6 = 30.
She needs to buy 30 flowers from the store.
The movie should be 2 hours and 15 minutes long.