(-1,6) and has a slope of-3

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

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

Find the distance between c and d on the number line c=3 and d=11