In the diagram, which must be true for point p to be the centroid of the triangle? ln ⊥ jk, jo ⊥ lk, and jl ⊥ mk. jl = lk = kj jm = ml, lo = ok, and kn = nj. ln is a perpendicular bisector of jk, jo is a perpendicular bisector of lk, and mk is a perpendicular bisector of jl.

How do i do this? i don’t understand

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15