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Answers by Oscar A.

hello  Mari,  Here we go.                                   you have     3   7   1  2  2      =  (3x7) +  (1 +2...

hello Maica,   Easiest way to solve this is by changing the percentages into fractions.       50% =      1.                                         ...

           Hi Daniella lets give this a try....PENDAS  ..from inside out.                        2-5 x 4- [6x(3-4)].          Inside Brackets first.    ...

Hello Kaileigh,   I believe you mean the denominators for 2  and 3.            Now, don't forget there are many or INFINITE numbers  that  2 and 3 that              2 and 3 can divide into.      ...

Hello Joshua  lets solve for  X.                    5x   +7    =    6x   +4.               -5x   -4       ...

Dear  Jake, here is the formula.                    SA  =   2b  + ph.                     b = base.            ...

Hello Ashlyn Please follow line by line. 2x -y +3z =21. 2y -z =14. 7x -5y =18. _________________________. 2 -1 3 21. (3) 0 2 -1 14 3x r2 +r1 --> r1. 7 -5 0 18. 2 5 0 63 r1 + r3 ----> r1. 0 2 -1 14. 7 -5 0 18. 9...

Dear Sebastian:                                There are many types of pyramids and each have a different formula. Can you please be exact on what TYPE of PYRAMID? Each have a different surface area formula....

hello  Serenity. Are you just asking to find  the slope? If so, the formula is.          m =  y2  -     y1.                __________.              ...