Give an example of a ratio that would result in an undefined slope.

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work