54 out of the 72 teachers in a school staff meeting were first-year teachers. What percentage of the teachers in the meeting were first-year teachers?

75%

Step-by-step explanation:

Total number of teachers = 72

100% = 72

1% = 72 ÷ 100 = 0.72

54 ÷ 0.72 = 75%

8

step-by-step explanation:

this is a subtraction problem.

10 - 2 = 8

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!