Two​ trains, Train A and Train​ B, weigh a total of 318 tons. Train A is heavier than Train B. The difference of their weights is 178 tons. What is the weight of each​ train?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Rounded to the nearest tenth, what is the value of x

(! ) the figure below shows parallelograms abce, pqrs, and tnlm on a coordinate plane. points s, p, q, and r are midpoints of abce t, n, l, and m are midpoints of pqrs write the equation of line ml. show your work.