What is the coordination number of the yellow sphere?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Find the value of x. give reasons to justify your solutions! h ∈ ig