Vera's office would recycle 9 kilograms of paper over 7 weeks. <span />
Answer:
x² + x = 42
Step-by-step explanation:
Let the number be x then the square of this number is x²
Sum and equate to 42, that is
x² + x = 42
Answer:
1.25 because when in a calculator i add 1.25% i subtract 300 and that is all that is left.
We can seperate (3b³) into two different parts, the constant and the variable.
The constant (3) and the variable (b) can both be squared and multiplied to get the correct answer, so:
3² = 9
(b³)² = 
So, 