Which variable expression represents the following word phrases? 6 more than four times a number

A: 4n-6
B: 6-4n
C: 6+4n
D: 6>4n

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Interpret the following expression (5y^2-7)^3/(2y)^2

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)