Landry

sin(5)=5/x

0.087155742748=5/x

0.087155742748x=5

x=57.3685662281242751

57.4 ft

1/3 (one-third)

8*3=x(x-2)

24=x^2-2x

x^2-2x-24=0

(x-6)(x+4)=0

x=-6 or x=4

here is a new one 

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one second

x^2-x-30=0

(x-6)(x+5)=30

x=6 or x=-5

Convert to one side

factor

solve

4.71 x 3.62 x 2.89 x 1.82 x 2.91 = 260.9706681036

0.674

     i Do

First: work out the difference (decrease) between the two numbers you are comparing.

Decrease = Original Number - New Number

Then: divide the decrease by the original number and multiply the answer by 100.

% Decrease = Decrease ÷ Original Number × 100

If your answer is a negative number then this is a percentage increase.

Source:

"Percentage Change | Increase and Decrease." Percentage Change. Skills You Need, n.d. Web. 08 May 2016.