Answer:
24x^2+112x+120
Step-by-step explanation:
distribute the 2
(6x+10)(4x+12)
foil it
24x^2+112x+120
Answer:
7,854,000
because the 308 people would have to be at least 500 to round up to 7,855,000

There may be an error with the first answer choice because it can't have a negative. The problem is x + 2.6 = 3.5 correct?
Hope this helps!
It's 1/7 e 7 x. the seven and the x are exponents.