If speakers are originally £40 and the discount is 10% what was the price paid

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons