Answer:72
Step-by-step explanation:
1. 3/4
2. im not sure if it means after taking away 3/4, but if it is, its 10/4
x=10/4 and -30/4 i believe, im not too good with fractions, sorry if its wrong :((
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

The answer is 10 x and i think complementary but i could be wrong so you may want someone else to answer that