Find the measure of angles M and N and the length of NP

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How many zeros does the function f(x)=4x3-x2+1 have

Measures of the angle of r, 31 s (x+4) t (3x+9)

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=