The maximum size envelope that can be mailed at the large envelope rate 3 in. longer than it is wide. the area is 180 in^2. find the length and width.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

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

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62