Sara and geena can both do flips in the air. the ratio of the number of flips sara can do to the number of flips geena can do is 3: 8. geena can do 120 more flips than sara. if sara increases the number of her flips by 3 and geena decreases the number of her flips by 12, what will be the new ratio of the number of flips sara can do to the number of flips geena can do?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

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?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.