Answer:
x=2.17
Step-by-step explanation:
+18x+81=-4
-81 -81
+18x= -85
/18 /18
= -4.7
= 
x= 2.17
I hope this helps :) (if it does, brainliest, please??)
Answer:
15
Step-by-step explanation:
so when we make 1 1/2 into an improper fraction it is 3/2 so what do they have in common, that is 15/10 so its 15
10 x 3 x 2 = the volume
10 x 3 = 30
30 x 2 = 60 cm^3
it is cm^3 because all of the numbers you have are in cm