Question

I am desprate for math help!!

a^-2 = 1/36 <---- Really confused

What is the value of the expression -x + y when x = 1.2 and y = -10.7 <--- Got halfway through the problem then forgot what to do/

Answer 1

What's the question, a^-2 = 1/36 or What is the value of the expression -x + y when x = 1.2 and y = -10.7

Answer 2

Both questions are by themselves

Answer 3

What? ._. So its 2 questions?

Answer 4

Yes

Answer 5

For the 2nd plug in -x + y when x = 1.2 and y = -10.7

-1.2 + (-10.7)

+ and a - = -

so its -1.2 - 10.7 = ???

Answer 6

-11.9

Answer 7

Yup

Answer 8

Thanks and the first one?

Answer 9

What're the options for the first one, I;m not sure how to go about it..?

Answer 10

The options were

A. 6

B. 4

C. -9

D -18

Answer 11

Is that the entire question or does it say plug in for a and solve, because you can't have a negative you would put it 1/a^2

Answer 12

I don't know

Answer 13

It is the whole question

Answer 14

I will just guess

Answer 15

A

Answer 16

Thank you sooooooooooo much!!!!!!!!!!!

Answer 17

Yw