What is the answer to-2x+5=-31

x = 18

Step-by-step explanation:

Subtract 5 on both sides:

-2x + 5 =- -31

       -5      -5

-2x = -36

Divide by -2 on both sides:

-2x = -36

/-2     /-2

x = 18    

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

: )