Write the product as a trinomial. (x + 3)(x + 4).
x2+ 7
x2 + 7x + 12
x2 + 12x + 7
x2 + 12x + 12

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

(60 points) explain this in detail