Pls click on the photo and answer both questions
Pls Answer ASAP :-)

Me. i need an answer asap. , you! select the correct answer from each drop-down menu. simplify the given polynomial and use it to complete the statement. the polynomial simplifies to an expression that is a blank with a blank degree of blank .

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Landon wrote that 3−2.6=4. which statement about his answer is true?