Three friends got jobs at stores in the mall. nia earns 117 in the $0.60 for 14 hours of work ty earns $148.50 for 18 hours of work kim earns $137.60 per 16 hours of work who has the highest pay rate in dollars per hour

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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6