Answer:
Step-by-step explanation:
the angles of a triangle add up to180.
70 plus 30 plus x = 180
100 plus x =180
x=80
Answer:
x=2.75
Step-by-step explanation:
4x+5=8x-6
4x-8x=-6-5
-4x=-11
divide -4 by both sides
x=2.75
Answer:
42 gifts
Step-by-step explanation:
Multiply 14 by 3 to get 42 (6 hours worth of wrapping gifts)
2*3=6
14*3=42
To find the answer above you would have to use a graph