Atrain leaves philadelphia at 3 pm. the second train leaves the same city in the same direction at 9 pm. what is the speed of two trains?

Lindsay is creating a bridge out of dried pasta and glue. in her plans, she sketches the graph to determine the lengths of the noodles, in centimeters, needed for the arch to increase the length of the bridge in 1 centimeter increments.which function did lindsay use to create her design? f(x) = (x – 5)2 + 8 f(x) = –(x + 5)2 + 8 f(x) = 0.5(x + 5)2 + 8 f(x) = –0.5(x – 5)2 + 8

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')