Answer:
$12
Step-by-step explanation:
18 copies ------------ $3
1 copy ----------------- x it is a rule of three
then 1x$3/18 = 0.167
Then 1 copies cost $0.167
72 copies = $0.167 x 72 = $12
Ur answr would be 154.50 because if u do 30.90 5 times or times 30.90 by 5 its 154.50
14.16 is the answer to your problem
Answer:
e║f.
Step-by-step explanation:
1) the pointed vectors of the given lines are:
for line e: (3-10;5-8)=(-7;-3);
for line f: (10-3;4-1)=(7;3);
2) -7/7=-3/3=-1, it means the lines are parallel.