What are two numbers that have a product of -9 and a sum of -13

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).

$30 to spend on dinner tax and gratuity at mos restaurant rax is 6% and they give a 15% tip on the total bill after taxes thier dinner cost $21 which statement correctly explains wether andrew and kate have enough money to pay their bill

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)