The line y = -0.5x + b passes through the points (1,5.5), (3,p), (4,4), and (7,n). Find b, n, and p.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

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

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?