Two isosceles triangles are similar. The first triangle has two sides that measure 6 in. and one
side that is 5 in. The second triangle has two
sides that measure 3 in what is the length of
the missing side on the second triangle?

How do you solve a question like this?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?