Answer:
C) 9n - 3
Step-by-step explanation:
<em>make an expression</em>
2n - 1 - (-7n + 2)
<em>open the parenthesis</em>
2n - 1 + 7n - 2
<em>combine like terms</em>
9n - 3
9514 1404 393
Answer:
m ≤ 54
Step-by-step explanation:
Add 18 to both sides.
m -18 +18 ≤ 36 +18
m ≤ 54 . . . . . simplify
Using the decay formula: Total = start value x (1 - rate)^time
Total = 23,840 x (1-0.04)^10
Total = 23,840 x (0.96)^10
Total = 15,849.61
Rounded to nearest whole number = 15,850