Easton found a pair of shoes on a clearance rack for 60% off. How much will he pay for the shoes with a regular price of $150

Which expresions are equivalent to the one below? check all that apply. 5x

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¯¯¯¯¯¯¯¯)?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).