12. Zaznacz na osi liczbę x i liczbę do niej przeciwną, gdy: a) X = 5
d) x = 1
-+
0 1
0
1
b) x = -2
e) x = 0,5
0 1
0
1
c) X = -1
f) x = -0,25
-++
0 1
0
1​

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?