Presley and Allie live in different states where the sales tax on items is different. Presley buys a pair of shoes that cost $37.99 plus 5.5% tax. Allie buys a pair of shoes that cost $39.99 plus 8% tax. She uses a coupon for 15% off her purchase.

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¯¯¯¯¯¯¯¯)?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

How many and of which kind of roots does the equation f(x)=x3−x2−x+1