I need help answering this

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.