Nobody can exactly 30, 48 or 70 marks 120 students gained less than 70 marks how many students gained more than 48 marks

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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?

What is always true when two whole numbers are subtracted?