Which expression represents the approximate length of bc
0
(3) sin(662
sin (38)
< 66
38c
0
sin (669)
3) sin (389
law of sines: sin(a) = sin(b) = sin()
0
0
3
) sin(38)
sin (66)
0
sin (389)
(3) sin(669)
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Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano