Create a system of equations for the following situation. A store sells small notebooks for $8 and large notebooks for $10. You buy 6 notebooks and spend $56.

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

Ineed with number 6 , explain how to get 1978

Identify the number 127 as a rational or irrational. explain