The composition of transformations ​R​y​ = −5​​◦ ​r​(​90​°​, ​A​)​ maps △​ ABC ​to ​△​ XYZ​. If the perimeter of ​△​ XYZ ​is 26, what is a possible set of values of ​AB​, ​BC​, and ​AC​? Explain

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

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¯¯¯¯¯¯¯¯)?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?