PLEASE HELP ILL GIVE YOU BRAINLEST

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

Landon wrote that 3−2.6=4. which statement about his answer is true?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250