Answer:
-3
Step-by-step explanation:
3 x 6 - 42/2 =
18 - 42/2 =
18 - 21 =
-3
Answer: Square, 24 square inches
Step-by-step explanation:
Given
Diameter of round pizza 
Side of square pizza 
Area of circle 
The area of a square is 

The area of square pizza is

Clearly, the area of square pizza is more and the difference in their area is

Answer: Circle
Step-by-step explanation:
It is a circle.
Center: (0,5)
r= √12 =2√3
The missing blank is 2 because 7+2=9.
Answer:
-20 and 6
Step-by-step explanation:
-20 x 6 = -120
and if you add -20 and 6, you get -14.