Which ordered pair is a solution to the system of linear equations -4x+y=8 and x-5y=17 ?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

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.