a. .... 6, $6
b. ...... $18 (1/2)(6x6)
c. ...... $18
d. ...... $36
e. ........ 4
f. ....... $8 (1/2)(4x4)
g. ...... $24 (1/2)(4x4)+(4x4)
h. ........ T
i. ...... $32
j. ........ F
k. ....... $4. (1/2)(2x4). SWL is the triangle with corners at (4,$8), (4,$4), and ((6,$6).