PLEASE HELP DUE SOON!! 5 times 5 to the power of k / 5 to the power of -8 = 5 to the power of 3
what value of k makes the quation true

Provide mathematical justifcation for ur answer.

What is 32+4 x (16 x 1/2) -2 show your work}

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

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?