Answer:
New cost of jacket = 
New costs of skirt = 
Step-by-step explanation:
Let original cost of jacket = 
original cost of skirt = 
The equation will be

New cost of jacket = 
New costs of skirt = 
The equation will be

The equations are




Subtracting the above two equations we get


New cost of jacket = 
New costs of skirt =
.
Answer:
30 square feet.
Step-by-step explanation:
We have to find the main area of the rectangle to determine the changes.
We know, Area of a rectangle = Length × Width
Given,
Length = 12 feet
Width = 5 feet
Therefore, the area of the rectangle = (12 × 5) Square feet.
The area of the rectangle = 60 square feet.
Now, if the length of the rectangle increased by 25%, the new length would be = 12 feet (12 feet × 25%) = 12 feet + 3 feet = 15 feet.
If the width increased by 20%, the latest width would be = 5 feet + (5 feet × 20%) = 5 feet + 1 foot = 6 feet.
The new area of that rectangle = (15 × 6) square feet = 90 square feet.
The changes of area from the previous rectangle is = (90 - 60) square feet = 30 square feet.
Answer:
P(x)=(x-2)(x-4)(x+3)(x+6)
Step-by-step explanation:
Given: P(x)=x⁴+3x³-28x²-36x+144
It is a polynomial with degree 4.
It should maximum four factor.
Hit and trial error method.
Put x = 2 into P(x)
P(2)=2⁴+3×2³-28×2²-36×2+144
P(2) = 0
So, x-2 would be factor of P(x)
Now divide x⁴+3x³-28x²-36x+144 by x-2 to get another factors


Put x = 4
now divide
by x-4


Now factor 
Complete factor of P(x)
P(x)=(x-2)(x-4)(x+3)(x+6)
Answer:
is the correct answer to the given question.
Step-by-step explanation:
Missing information
In this question options are missing.Following are the option
(a) 
(b) 
(c)
(d)
As mention in the question On the highway, car is said to get 25 miles per gallon
We assume 
also that the value of
is fluctuate by 6 miles per gallon

This can be written as

Therefore
is the answer
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Step-by-step explanation:
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