Simplify the expression:

(7 + 9i) (8 - 10i)

56 + 2i + 90

56 + 2i - 90i^2

97 + 72i

146 + 2i

Jonh's collection contains 20 books including 2 historical novels if John randomly selects a book to read what is the probility that it will be a historical novel write your answer as a fraction or whole number

During Christmas a book store sold 28 books. If the ratio of books to bookmarks sold was 7 : 3, how many bookmarks did the store sell?

Understand the different types of life insurances. term life whole life

2726 divided by 36 = ?

A bakery used 457 pounds of apples 1,000 apple tarts. Each tart contains the same amount of apples. How many pounds of apples are used in each tart.

If you make $11/hr and you work 40hours weekly and taxes taken out $240 how munch did you made it total.

Describe the cross section. pentagon trapezoid hexagon cube

Mrs. Walsh plans to drive from New York to Chicago, a distance of 850 miles. How long will it take her to make the trip if she averages 59 miles per hour?

Sam and chad are ticket-sellers at their class play. sam is selling student tickets for $2.00 each, and chad selling adult tickets for $5.50 each. if their total income for 24 tickets was $83.00, how many tickets did sam sell?

Michelle's game piece was on 58. She uses these cards to capture a chip: + 2 + 30 + 2 where did she land? Write an equation to show her moves.