Can someone help me graph these. y=-1/2x-7 y=1/6x-3

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.