X^2+12x-28
(x-2)(x+14)
Solve for x
x-2=0
x=2
x+14=0
x=-14
Answer:
71
Step-by-step explanation:
This arithmetic sequence starts at 1 and increases by 5 every time. The formula for this sequence could be expressed as A(n) = 1 + 5(n-1).
Since you're finding the 15th term, substitute n = 15 into the formula.
A(15) = 1 + 5((15)-1) = 1 + 5(14) = 1 + 70 = 71
Range:$43.25-$36.50=$6.75
Mean:$42.95+$36.50+$40.75+$38.25+$43.25=$201.7
Median:$40.75
Mode:none
The range is $6.75. The mean is $201.70. The median is $40.75. There is no mode.
