<span>D. Regular polygon.
</span>A polygon that has all sides the same measure and all angles the same measure is called Regular polygon.
Hoped I helped!
12.375 = (1 x 10) + (2 x 1) + (3/10) + (7/100) + (5/1000). Hope this helps..
Answer:
1022.82 is salesperson's monthly payment.
Step-by-step explanation:
See the attached picture for detailed steps.
7x+10y=6400
x+y=700
x=700-y
7(700-y)+10y=6400
4900-7y+10y=6400
-7y+10y=1500
3y=1500
y=500
x=700-y
x=700-500
x=200
there were 200 children and 500 adults at the show