Which values of x and y would make the following expression represent a real number? (6 + 3i)(x + yi) options: x = 6, y = 0 x = –3, y = 0 x = 6, y = –3 x = 0, y = –3

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?