PQ and QR are 2 sides of a regular 12-sided polygon. PR is a diagonal of the polygon. work out the size of PRQ.​

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

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?