Two groups of students were asked how far they lived from their school. the table below shows the distances in miles: group a (distance in miles) 1 1.5 3 3.2 2.8 1.5 1.8 2.5 2.2 group b (distance in miles) 2 2.5 3.2 3 1.8 2.4 3 1.5 1.8 which statement best compares the mean distances for the two groups? it is equal for group a and group b. it is greater for group b than group a. its value for group a is double its value for group b. its value for group b is double its value for group a.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression