Answer:
$16.
Step-by-step explanation:
Let t represent the cost of each tree.
We have been given that Yuri purchased 8 trees to have planted at his house. So the cost of 8 trees will be 8t.
We are also told that the store charged a delivery fee of $5 per tree. So the delivery charges of 8 trees will be 
The total cost of purchasing 8 trees will be
.
Since the total cost of the trees including the delivery was $168, so we can get an equation as:



Upon dividing both sides of our given equation by 8, we will get:
Therefore, the cost of each tree is $16.
Answer:
i, iii and iv
Step-by-step explanation:
196 = 14²
400 = 20²
324 = 18²
Answer:

Step-by-step explanation:
A single die is rolled on time.
All possible outcomes are
(6 in total)
Rolling a number greater than 5 or less than 4 means rolling numbers
or
so
All favorable outcomes are
(4 in total)
The probability of rolling a number greater than 5 or less than 4 is
