Will give brainliest help asap

Type the correct answer in the box. spell all words correctly. which technology should andrea use? andrea owns a potato chips manufacturing unit. she has been getting complaints about the quality of the chips. she knows her product is good. she realizes that she needs to change the way the chips are packaged. she should use technology, which uses gases, such as carbon dioxide or argon, to create an air cushion, which improves the shelf life of products.

Ajeweler designing a pin has decided to use five stones chosen from diamonds, rubies, and emeralds. in how many ways can the stones be selected?

2pointswho was mikhail gorbachev? oa. a russian leader who opposed a coupob. a polish leader who founded the labor union "solidarityoc. a soviet leader who called for a closer relationship with the unitedstates, economic reform, and a more open societyd. a soviet leader who called for more oppression in the soviet union