02:51: If \2≈ \4 and \5≈\7, which describes all the lines that must be parallel?

- Only lines r and s must be parallel.
- Only lines t and u must be parallel.
- Lines rand s and lines t and u must be parallel.
- Neither lines and s nor lines t and u must be parallel.

5/6+7/8what is the answer sealsdbdbshd

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

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.