Answer:
simplified version is 
Step-by-step explanation:
1.) find possible factors to 27 that have one perfect root (in this case, its 9)

2.) square each number in the radical

3.) simplify

Answer: x=3 units. Perimeter:22 units
Step-by-step explanation:
P=perimeter
3x-1=2x+2
x-1=2
x=3 units
P=3x-1+2x+2+2x
P=3(3)-1+2(3)+2+2(3)
P=9-1+6+2+6
P=8+8+6
P=22 units
Answer: D $852.00
Step-by-step explanation:
For number 5 the answer is 5/2
number 6 is 23/5
number 7 is 31/9
number 8 is 19
All you do is multiply the denominator by the whole number then the product of that you add that to the numerator and then the sum of that you just put that as your numerator and you keep the same denominator.