To investigate a community’s reading habits, a magazine invites readers to complete and mail in a survey. a. convenience sampling b. systematic sampling c. self-selected sampling d. random sampling

b. b < 1 might be the correct answer

there were a lot of them but the first one to pop up on a google search was bts

13664

step-by-step explanation:

=cross multiply

=100 x = 13664

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6