The ski club is planning a trip for winter break. they write the equation c=200+10n to estimate the cost in dollars, c of the trip for n students.
duncan and corey both use the equation to estimate the cost for 50 students. duncan says the cost is $10,500 , and corey says it's $700.
a) whose estimate is correct?
b) how do you think duncan and corey found such different estimates if they used the same equation?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

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?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4