Answer: x=30
Step-by-step explanation:
Set them all equal to 180
so it would be 180=x+2x-1+3x+1
isolate x by adding or subtracting the 1
180=6x
x=30
Answer:
D.
Step-by-step explanation:
Answer:
2:3
Step-by-step explanation:
r_1^3:r_2^3=8:27
r_1:r_2=2:3
A is y= x+ 3 and b is 3x-2 and c is y= x+1 x 2
Answer:
C
Step-by-step explanation:
hope this helps with the work