Answer:
x = 25
Step-by-step explanation:
The two angles form a straight line which is 180 degrees
2x+10 + 4x+20 = 180
Combine like terms
6x+30 = 180
Subtract 30 from each side
6x+30-30 = 180-30
6x = 150
Divide by 6
6x/6 = 150/6
x=25
Answer:
5
Step-by-step explanation:
Because 8 is over 4, it can round up, making your number 86
Answer:
240
Step-by-step explanation:
length x width x height
6 x 5 x 8
Answer:
graph 1 proportional
graph 2&3 is non proportional
i think