Algebra Help ? Kinda hard. ?

Question

Answer.Help.Solve.

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Tell the answer,and EXPLAIN how u did it . like 4a-4 when a =1.

explain : 4+1=5,5*4=20 .

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1)[(7*4)+3]+15

2) 5[12-(5*1) / 3]

3) 7+8+12 divided by 4

4) 8(3+4 to the power of 2)-12 divided by 2.

HIT ME ON YAHOO MESSENGER:

forever21whateverloser

Answer 1

1)[(7*4)+3]+15

   [(28) + 3] +15

   (31) +15

    46

2) 5[12-(5*1) / 3]

    5[(12 - 5) / 3]

    5[ 7/3]

    35/3

3) 7+8+12 divided by 4

    27/4

4) 8(3+4 to the power of 2)-12 divided by 2.

    8( 3 +16) - (12/2)

    8(19) - 6

    152 - 6

    146

Always do whats inside the parentheses first.