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31 Simplify the expression:

4(square root)7 + 8(square root)63 =

#32 The tangent of an angle is equal to the ratio of the ____.

#33 Factor the expression : k^2 + kf - 2f^2

#34 Factor the expression: 6g^2 + 11g - 35

#35 A boat costs $15,500 and decreases in value by 10% per year. How much will the boat be worth after 5 year?

A.) $9,152.60 B.) $15,450 C.) $8,237.34 D.) $24,962.91

#37 Solve the equation by factoring: 3z^2 + 3z - 6 =0

#38 Find the final amount of an investment if $2,000 is invested at an interest rate of 8% compounded quarterly for eight years.

#39 The most popular or common data point is a set of data called the ______

Thanks to everyone.

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  1. 32 The tangent of an angle is equal to the ratio of the opposite angle over adjacent angle or opposite/adjacent. promise thats right. i dont know the rest sorry.

    #39 might be mode


  2. 31 Simplify the expression:

    4(square root)7 + 8 sq rt9(sq rt 7) =

    4(square root)7 + 8 (3)(square root)7 =

    28 sq rt 7

    #33 Factor the expression : k^2 + kf - 2f^2

    (k+2f)(k-f)

    #34 Factor the expression: 6g^2 + 11g - 35

    (3g-5)(2g+7)

    35.  Take 15,500 and subtract 1550 (10%)=  13950, then subtract 10% again (1395) = 12555, then subtract 10%, etc, etc, until you reach 5 yrs of depreciation.

    #37 Solve the equation by factoring: 3z^2 + 3z - 6 =0

    (3z+ 6)(z -1)

    z = -2 or z = 1

  3. 31. = 4(sqrt7+2sqrt63)

    32. sin/cos

    33. (k-f)(k+2f)

    34. (2g+7)(3g-5)

    35. A

    37. 3(z^2+z-2)=0

         3(z-1)(z+2)=0

        z=1,-2

    38. 2000*1.02^32

         =$3769.08

    39. mode
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