Answer:
Elgas is 9 years old.
Step-by-step explanation:
Alvin: 3 x Elgas
36: Alvin + Elgas
36 / 4 : 9
Elgas: 9
Alvin: 27
To check: 27 + 9= 36
Answer:
6 miles
Step-by-step explanation:
1/3 of 18 is 6 since 18 / 3 is 6
Answer:
a. 6 b. -2
Step-by-step explanation:
a. x^3 = 216
x = ³√216
x = 6
b. -n^3/4 = 2
-n^3 = 8
-n = ³√8
- n = 2
n = -2
Answer:
P = 3x + 3 - x²
Step-by-step explanation: