Mr. Lee is holding 8 test review sessions after school. You want to make sure you are fully prepared for the test, so you plan to attend at least 6 session. How many different combinations of review sessions can you attend?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Solutions for 2x+7 less than or equal to 3x-5

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