Directions: Simplify the following expressions using the imaginary number. 1. √-5

2. √-49

3. -3√-9

4. -8√-64

5. -√-50

6. -2√-12

7. 5√-12

8. √-8

9. 3√-7

10. -3√-200

Part B

Directions: Write the following numbers using the imaginary number i, and then perform the operations necessary and simplify your answer.

11. 2√-8 + 3√-50

12. √-4 + √-16

13. √-25 + √-9

14. i√-36 – i2

15. 3√-25 + 2√-49

16. √-48 • √72

17. 3√-9 • 2√-49

18. √-12 • √-36

19. √-16 • √-100

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples