Answer:
-3
Step-by-step explanation:
3+x=0
subtract 3 from 3, 0
subtract 3 from 0, -3
Answer:
1,500 people
Step-by-step explanation:
Remember that

Convert ft to in

<em>Divide the length of a row by the space occupied by one person</em>

<em>Multiply by the number of rows to determine the total people that can fit into the stands</em>

Well I don't know if you are looking for the variable but here it is :)
Answer:
Total surface area of cube = 294 cm²
Step-by-step explanation:
Given:
Perimeter of cube = 84 cm
Find:
Total surface area of cube
Computation:
Perimeter of cube = 12 x side
84 = 12 x side
Side = 7 cm
Total surface area of cube = 6(a)²
Total surface area of cube = 6(7)²
Total surface area of cube = 294 cm²