Tìm nghiệm của đa thức sau:2x mũ 2-5x-3

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.

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

Write the ratio as a fraction in lowest terms 1 1/3 to 1 2/3