Answer:
mean: 20.3; median: 21; mode: 23; range: 9
Step-by-step explanation:
The answer is C Becase all rationals are positive so to get the answer make them negative so c is the answer
Answer:
X=10
X=-8
Step-by-step explanation:
(x+1)*(x-3)=77
x²-3x+x-3=77
x²-2x-3=77
x²-2x-3-77=0
x²-2x-80=0
(x-10)*(x+8)=0
x-10 = 0
x=10
x+8=0
X=-8
$21,999 ÷ 12= $1,833.25 is the commission