A certain substance decays so that each year 86% of the the previous year’s material is still present. How much of an initial 5 kilograms of material would remain after 6 years? ( round to the hundredths place)

(Part 2) After n years, how much of the initial material would remain?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?