Sally's bank account has $650 in it. Every week, Sally withdraws $50 to pay for her dog sitter. What is the maximum number of weeks that Sally can
withdraw the money so there is at least $75 remaining in the account? Write and
solve an inequality to find the solution, and graph the solution on a number line.
Lew w represent the number of weeks Sally can withdraw the money,

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Sketch one cycle if the cosine function y=2cos2theta