Pls help.. thx .

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wpazsebu

C=131

Step-by-step explanation:

91+40=

131, that has to be the answer because there are no other possible solutions.

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option

a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .