Lines m and p are perpendicular. If the slope of line m is -3, what is the slope of line p?
O A.-3.
O B.
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O c. 3
O D. 3
SUBME

Me. i can't figure out this question. give an explanation too. .

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

If the value of cos330°is√3/2 then find cos 165°.