Find the difference of the complex numbers

(5+9i) - (-4-2i)

A. 9+11i

B. 1+7i

C. 9+7i

D. 1+11i

Ms. Fox asked her class "is the sum of 4.2 and the square root of 7 irrational or rational?" Patrick answered that the sum would be irrational. State whether Patrick is correct or incorrect.

Danielle is creating a scale drawing of her room. The rectangular room measures 20 1/2 ft. by 25ft. If her drawing uses the scale where 1 in represents 2 feet of the actual lengh and width of the the bedroom.

6 1/2+n=12. n= What does n equal.

What's the percent increase between $10 and $13

14) A salesperson earns a salary of $12,000 per year plus 5% commission on sales of $300,000. What is his total income?

Find The diagram is not to scale. m 96degree 118degree 115degree 104degree a. 107° b. 117° c. 63° d. 73°

How many pumpkin plants would be in 2 rows

Which of the following is equivalent to the expression below (-3+5) + (m-11

Mira has breakfast at a restaurant. She leaves a 20%, percent tip of $1.80 What is the price of Mira's breakfast, before tip?

21 - 4 5/6 I need to first estimate. Then subtract to find the exact answer