Prove that n2 + I ≥ 2n when n is a positive integer with 1 ≤ n ≤ 4.

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

0.6

39mph

step-by-step explanation:

the first one

step-by-step explanation:

just id the test.

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3