What is the value of x in the equation 8x - 2y = 48, when y = 4?

Me find the missing dimension of a triangle height: 7 in., area: 21^2

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6