How many solutions does this system of equations have? use either the substitution method or the elimination method. −2x + 4y = 4 x − 2y = 6 exactly one solution no solution infinitely many solutions

What is the relationship between all triangles that can be drawn given the same three angles

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

1: 4 if the wew 35 surfboards at the beach how many were short boards?