Somando 54 , ao dobro de aum número , obteremos 182 . qual é esse número?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

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.

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3