Answer:
Step-by-step explanation:
On a unit circle, the only points where y = have an x coordinate of or . Since only one of those is an option, the answer is .
Answer:
392
Step-by-step explanation:
m = 8 and n = 14
Substituting the values of m and n in the question, we get :
7m + 3mn
=( 7 x 8) +(3 x 8 x 14)
= 56 + 336
= 392
Not sure but I think it's (3)
2 is Reflexive property
4 is (I don't remember the specific property of this)