Answer:
I think PEMDAS would be helpful for this.
Step-by-step explanation:
∈ ≤ ≥
-6 ≤ 2x + 6 ≤ 6 ( seperate the two inequalities)
2x + 6 ≥ - 6
2x + 6 ≤ 6 (solve the inequalities)
x ≥ -6
x ≤ 0 (find the intersection)
solution is : x ∈ { -6, 0 }
Answer:
1/x^3
Step-by-step explanation:
foil method
Answer:
220 - a = m
Step-by-step explanation:
a is her age
Answer:
4
Step-by-step explanation: