N[A*B] in SET theory means?

Erica has 8 necklaces. One four the of the necklaces are blue. How many necklaces are blue?

Kent bought a cherry limeade that cost $1.05. About how much change should Kent expect to receive if he pays with a five-dollar bill?

Josephine started a business selling cosmetics. She spent $4500 to obtain her merchandise, and it costs her $200 per week for general expenses. She earns $550 per week in sales.

How do you convert 5/9 into a decimal?

Jack and Tyler ate a total of 35 cupcakes Tyler ate 5 more than jack how many did each person eat

In a survey 27% of the people chose salads over a meat dish and in all 81 people chose salads. How many people were in the survey

Jackson bought six pairs of socks for $5 each. The tax on the purchase was 6%. What was the total cost of his purchase?

What is the algebraic expression for the following word phrase the product of 4 more than x and 6

What is 12 1/2 as an improper fraction?

Which property is used below 4xy^2 = 8y^2 and 8y^2=72, then 4xy^2=72. A) Reflexive property. B) Substitution property. C) Symmetric property. D) Transitive property