A castle entrance has walls that can be modeled by the equation x^2/10^2 - y^2/30^2 = 1 with units in feet. How wide is the entrance where the walls are closest together? 10 ft

20 ft

30 ft

60 ft

Agrid shows the positions of a subway stop and your house. the subway stop is located at (-5,2) and your house is located at (-9,9). what is the distance, to the nearest unit, between your house and the subway stop?

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue

How would you find the height of points on the circle? the topic is trigonometry.