Tony bought headphones that were marked $70.He used a coupon for 15% off, and he paid 6% tax on the discounted amount. What was the final cost of the headphones?

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¯¯¯¯¯¯¯¯)?

Which value would be a solution for x in the inequality 47-4x< 7

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth