Use valid argument forms to deduce the conclusion from the premises, giving reasons for each step (meaning rules applied). Assume all variables are statement variables. a. p∨q
b. q→r
c. p∧s→t
d. ∼r
e. ∼q→u∧s
f. ∴ t

answer: i don't understand it

step-by-step explanation: sorry

if you was gonna solve for a, a is a   < -12

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