You were in person 148 of the 180 days of school. What percent were you in person. (round to the nearest tenth of a percent)

Pls! does anybody know a shortcut for answering these types of questions in the future?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

Which geometric principle is used to justify the construction below?