Only answer if you're very good at Math. What is the sum of 7x/x^2 - 4 and 2/x + 2?

A: 7x + 2/x^2 - 4

B: 9x - 4/x^2 - 4

C: 7x + 2/ x^2 + x - 2

D: 9/x

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Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Solve the given system of equations. 2y= -x+9 , 3x-6= -15