1st you combine like terms so subtract 7y and 3y and you get 4y. So this is the final answer: 4y+4b.
Answer:
Hose A fills at a rate of 10 gal per min
Hose B fills at a rate of 8 gal per min
Hose B fills at a faster rate
Step-by-step explanation:
X^2 and 5x both have x in common to factor out. To add or subtract them, 5x^2 is the least common denominator .
recall in a perfect square trinomial, the middle term is the tale-tell guy, we know the middle term is the product of 2 and the two other guys without the exponent, so in this case 6x = 2*√x² * √c.