The present age of Jane is 45 years old and present age of her sister is 9 years old
<em><u>Solution:</u></em>
Let the present age of Jane be "x"
Let the present age of her sister be "y"
<em><u>Jane is 5 times older than her sister</u></em>
present age of Jane = 5(present age of her sister)
x = 5y ---------- eqn 1
<em><u>In 3 years, Jane’s sister will be 1/4 her age</u></em>
Age of sister after 3 years = 3 + y
Age of jane after 3 years = 3 + x
Age of sister after 3 years = 1/4(age of jane after 3 years)

Substitute eqn 1 in above equation

Substitute y = 9 in eqn 1
x = 5(9)
x = 45
Thus present age of Jane is 45 years old and present age of her sister is 9 years old
The product of given polynomials is: 
Step-by-step explanation:
Given polynomials are:

In order to multiply both polynomials, we will use the distributive property
So,

Combining like terms

Hence,
The product of given polynomials is: 
Keywords: Polynomials, variables
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Well, both sides are equal to 1, so I'm thinking "="
Answer:
379.73 square meters
Step-by-step explanation:
formula: AL=(a+b+c)h
AL=(5+8+10)*16.51
AL=(23)*16.51
AL=379.73