Answer:
The real and imaginary parts of the result are
and
, respectively.
Step-by-step explanation:
Let be
, the following expression is expanded by algebraic means:



If
, then:



Then, the variable is substituted in the equation and simplified:






The real and imaginary parts of the result are
and
, respectively.
$21.21 × 6 = $127.26
$127.26 ÷ 7 = $18.18 cost of 1 pillow at Jenson's.
You multiply the cost of the pillow at Harrison's, $21.21, by the amount of pillows you can buy at Harrison's, 6.
Then divide the answer by the amount of pillows you can buy at Jenson's, 7. The final answer is the cost of 1 pillow at Jenson's.
Answer: 31.25%
Two ways to solve this problem:
#1: Use the formula: 
#2 Use a graphing calculator and use the function binompdf(n, p, x)
#1: Formula:

#2: Faster method
binompdf(6, 0.5, 3) = 0.3125
The triangles are congruent by using SAS.
We know these triangles are congruent by looking at the information given. The bottom sides have the same lengths, giving us one part of SAS.
We can also see an a right angle is given to us at the bottom, this automatically means the left angle is also a right angle. This is the angle of SAS.
Lastly, we know they share another side because they’re sharing the same side exactly.
Step-by-step explanation:
Quadratic term = Coefficient of x^2 term = 3.