Which subject is the most driest subject on (the one doesn’t have a of people speaking on it or it’s hard to get help from) and which subject is the most popular subject on here (the one that has the most active people on and you can get help from easily)?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

What’s 8y+48 and factor each expression completely

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.