Help needed ASAP will give BRAINLIEST

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

The two box p digram the two box plots show the data of the pitches thrown by two pitchers throughout the season. which statement is correct? check all that apply. pitcher 1 has a symmetric data set. pitcher 1 does not have a symmetric data set. pitcher 2 has a symmetric data set. pitcher 2 does not have a symmetric data set. pitcher 2 has the greater variation.ots represent the total number of touchdowns two quarterbacks threw in 10 seasons of play

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read