What is the product of-3 and-13? Enter your answer as a mixed number, in simplified fom, in the box

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.