Simplify the following: (i represents "imaginary number")

(1.) √-30

answer is either:

(A.) √30i

(B.) i√30

(C.) -30

(D.) none of these

(2.) (3+2i)(4-5i)

(A.) 22

(B.) 12-7i-10i^2

(C.) 22-7i

(D.) none of these

(3.) -2 - 3i / 4 + i

(A.) 13 / 17

(B.) -2i + 3 / 15

(C.) -11 - 10i / 17

(D.) none of these

In solving the following quadratic equation, what value would be used to complete the square?

x^2 - 9x + 16 = 0

(A.) 9 / 2

(B.) 16 / 9

(C.) 81 / 4

(D.) 4 / 3

Where is the vertex located in drawing the graph of y = 4√(2x - 6) + 1?

(A.) (2, 0)

(B.) (3, 1)

(C.) (4, 1)

(D.) (6, 0)

Simplify the square roots completely:

√8 / √3

(A.) 8 / 3

(B.) 2√6 / 3

(C.) 2

(D.) none of these

Thanks so much.

If you only want to answer a few (seeming there are a lot) any help is needed, thanks <3

God bless.