Scenario 1: The cook at Sam's Diner made 19 quiches today. This is 1 more than 3 times the number of quiches he
made yesterday. How many quiches did he make yesterday?
Scenario 2: Javier buys four dozen eggs. He saves $1.50 by
using a coupon. The total he pays is $8.50. What was the
cost of a dozen eggs without the coupon?
Scenario 3: Lina ate of a quiche for lunch. Each of her
two sisters split another piece equally. The three ate a total
of of the quiche. What fraction of the quiche did each of
Lina's sisters eat?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.