Help w/ Math 25 points Line A: y = 1/2x+2
Line B:y= -1/2x+7
Line c y= 2x + 4
Line D:y= 1/2x+5/4
Which lines are parallel?
A)A and B
B)A and c
C) B and c
D) A and D

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.