Question

who needs help?? i am ready

Answer 1

Evaluate the following expression.
√21-5+9
a. 11
b.144
c.13
d.7

Answer 2

is that radical 27 or whole radical?

Answer 3

soory 21

Answer 4

The options are:
a.11
b.144
c.13
d.7

Answer 5

question is wrong

Answer 6

The answer is supposed to be 13. But I didn't understand the question either. But thanks anyway.

Answer 7

i tried but i got 8.582575695 i think question must be wrong

Answer 8

I agree, thanks. :)

Answer 9

your wlcome

Answer 10

1. find geometric mean of 8 and 16, also
2. find geometric mean of 9 and 13
3. 8/z-2 = z+2/4

Answer 11

Thanks!c:)