Answer:
126
Step-by-step explanation:
A Nonagon has 9 sides. To answer this, the polygon has to be regular.
The Perimeter is 9*14 = 126
Answer:
10
Step-by-step explanation:
Because if the number of girls is the same as the boys you just devide 20 by 2 and get 10
Answer:
x=y-4
Step-by-step explanation:
y=x+4
-4
y-4=x
Answer:
<h2>168.75 g</h2>
Step-by-step explanation:
the required mass of flour = (3÷4)×225 = 168.75
Answer:
x= -2
Step-by-step explanation: