(3x³ - 7x² + 12) - (3x³ + 6x² + 10x)
(3x³ - 3x³) + (-7x² + 6x²) - 10x + 12
-x² - 10x + 12
Ok so
if her brother had 12 and she had 5 friends who ahve 7 each thats 7*5+12 so 35+12 =47
Answer:
never
Step-by-step explanation:
Independent variable - represents a quantity that is being manipulated
dependent variable- represents a quantity whose value depends on how the independent variable is manipulated.
