Answer:
3(x+y)
Step-by-step explanation:
3(x+y)
distribute
3x+3y
Answer:
6x + 4 = 40
Step-by-step explanation:
6 boxes
x = number of pencils per box
therefore Sam had 6x and received 4 more
Answer: one that goes down
Step-by-step explanation: whichever line is vertical ish
Answer:
they are alternate interior angles and because we have parallel lines these two angles are equal
these angles are equal to 115°
Step-by-step explanation:
57x+1=56x+3
57x-56x=3-1
x=2
57x+1=57*2+1=114+1=115°
56x+3=56*2+3=112+3=115°