4 stuspdents spend $12. That means 1 student spends $3. So if there are 10 students, they wil spend all together 3 x 10 = $30. So, your answer is $30
Answer:
im not dure
Step-by-step explanation:
Okie, hope you a new year!
In order to prove that two lines are parallel to each other, you need to show that they have the same slope.
Line 1 is perpendicular to a line that has slope m, thus it has a slope of -1/m.
Line 2 is perpendicular to the same line with slope m, thus it has a slope of -1/m.
Line 1 and Line 2 have the same slope so they are parallel.