Given the equation ax2 + bx + c = 0 in which a, b and c are
integers. If the discriminant of this equation is equal to 8,
then the roots of the equation must be
positive
O equal
Oreal
rational

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Can someone me out here number 4 plz

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?