Today, everything at a store is on sale. The store offers a 20% discount. If the regular price of an item is x dollars, what is the discount price in dollars?

0.8x or x-0.2x
0.9x
0.7x
0.6​

What’s the domain of this function? fastttt

Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.

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¯¯¯¯¯¯¯¯)?