The triangle below are similar. What is the scale factor of triangle ABC to triangle DEF?

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

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?