Answer:

Step-by-step explanation:
"At least" is inclusive, so you can be 21 years old.
Answer:
Tangent = opposite / adjacent
Tangent of 45º equals 1
Step-by-step explanation:
Answer:
y = 6(x + 6)(x - 4).
Step-by-step explanation:
y = 6x^2 + 12x - 144
y = 6(x^2 + 2x - 24) Factoring the trinomial in the parentheses ,we get:
y = 6(x + 6)(x - 4)
Answer:
378
Step-by-step explanation:
300
70
8
+-------
378