Answer: 
Step-by-step explanation:

Answer:
192
Step-by-step explanation:
Given
4xyz ← substitute given values into expression
= 4 × - 2 × - 6 × 4 = - 8 × - 24 = 192
84+92+87+104=367
500-367=133
He needs to plant 133 shrubs on Friday
Answer:
2√3
Step-by-step explanation:
√2^2x3
√2^2 √3
2√3 (answer)
If it has 3 sides then it's a triangle.
Using the formula
where

and a=5 b=5 c=8
∴