Triangles DEF and XYZ shown below are similar. Triangle XYZ was created by performing two transformations on triangle DEF. Describe a sequence of transformations that could have caused triangle DEF to result in triangle XYZ. *

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¯¯¯¯¯¯¯¯)?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Adeposit of 5500 at 6% for 3 years equals