Answer:

Step-by-step explanation:
Perimeter of the pentagon = 20.5 cm
Length of 4 sides = 
Length of the other side = 2.1 cm
Perimeter of the pentagon will be

The value of
is
.
Number 6 is C, Number 7 is A. Do you need number 8? if so I will edit answer and add pic
Answer:
X=8
Step-by-step explanation:
24×10=30X
240=30X
Divide by 30
X=8
Answer:
A number times five is greater than fifteen. A number less negative seven is less than or equal to five. The difference between a number and seven is less than zero. The sum of a number and seven is greater than or equal to fifteen.