Is this set closed or not closed under the operation? Negative integers under multiplication

Angulo conterminal de 395 y - 510

Mimi can buy daffodil bulbs in packages of 3 for $4.74 or in packages of 2 for $3.74. How much money does she save by buying 12 bulbs at the better price?

A total of 375 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold?

What is 36/100 in simplest form

Hank bought 2.4 pounds of apples each pound cost $1.95 how much money was spent on the apples

Solve the equation. - x + 8 + 3x = x - 6

What is the sign of the product (-7) (-2) (-5) (1) ? Select one: a. Positive, because the products (-7) (-2) and (-5) (1) are negative, and the product of two negative numbers is positive b.

Whats the factors of 3x2+4x+1

From the sample population of students with blond hair, what is the relative frequency of students with green eyes?

Solve: 5x - 7x + 6 = - 2 (x - 3).