since you guys like to delete my questions for no reason

Option C: .

Step-by-step explanation:

Typically, solving an equation means finding an expression of that is written in . However, this question is asking for the inverse of an equation in an x-y plane. Thus, start by solving for an expression of that is written in . After that, interchange and to obtain the equation of the inverse.

.

.

Subtract 1/2 from both sides of this equation:

.

Take the square root of both sides of this equation; note the plus-minus sign on the right-hand side of this equation:

.

Subtract from both sides of this equation:

.

Interchange and to obtain the equation for the inverse:

.

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation:

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c