Solve the system. (DUE 4:00 AM!)

-2x - 2y = 22
x = - 3y -25

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?