Different types of parallelograms have distinguishing traits. compare and contrast the rectangle, rhombus, and square based upon the characteristics of their sides. which one(s) have both pairs of opposite sides that are parallel? which one(s) have both pairs of opposite sides that are congruent? which one(s) have all four sides that are congruent?

The triangles are similar. what is the value of x? x=

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling