Which expression is equivalent to -9 - 7+ 39 - 6?

Use the distributive law to multiply. 3(4x + 5y + 6)

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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?