Operaciones con fracciones a) 3/4+5/2-2/7
b) 2/3-[ 3/4-( 7/4+5/6-1/3)+7/8]
c) -4/5 x 5/9 x -3/2
d) ( 3/2 ÷ 4/5) ÷ -2/7

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

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step-by-step explanation:

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b

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