Nevaeh borrowed some money from her friend in order to help buy a new video game system. Nevaeh agreed to pay back her friend $25 per week, and after 6 weeks, Nevaeh still owed her friend $50. Write an equation for ,L, in terms of t, representing the amount Nevaeh owes her friend after t weeks.

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

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.