What is the equation of the piecewise functiona. f(x) = |x-2|b. f(x) = { -x-2, x< 0. x-2 _> 0 c. f(x) = { |-x-2|, x < 0. |x-2|, x> 0d. f(x) ={ |-x|-2, x< 0. x-2, x> 0

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Express -5 2/5 as an improper fraction.

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75