34.) Which of the following is an example of a proportion?
a) 7x = 52
b)
4 20
=
5 25
17
c)
d) 6 = 6
4

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

Asap! i'm not good math and i'm lost.

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily