Some please help I’ll give out brainliest please don’t answer if you don’t know thank you

Step-by-step explanation:

Discount:

(28 x 12)/100 = $3.36

Final Price:

28 - 3.36 = $24.64

and for the other one its 32.78  

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!

current in the circuit at time t is /, then the power delivered to the resistor is

step-by-step explanation: