Answer:
parellel planes do not intersect
non-coplanar also dont
Answer:
Is this algebra, or does "x" represent multiplying?
Step-by-step explanation:
AB = 24
BC = 45
AC = 51
cos C = adjacent / hypotenuse
cos C = BC / AC
cos C = 45/51
A. use PEMDAS to solve the parts inside the brackets first then the multiplication of -4 and -7 to get 28