The area of the parallelogram is 65 square miles. Find it’s base and height. x-4 , x+4

base = b = 5

height = h = 13

Step-by-step explanation:

Given Data:

Area of Parallelogram = A = 65

base = b = x -4

height = h = x+4

Formula:

A = b×h

Solution:

A = b×h

65 = (x-4)×(x+4)

65 =                               ∴ (a-b)(a+b) =

65 =

= 65 + 16

= 81

Now,

base = b = x -4 = 9-4

base = b = 5

height = h = x+4 = 9+4

height = h = 13

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step-by-step explanation:

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d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d