Which statements must be true about the reflection of δxyz across ? select three options. M∠x'z'y' = 90° m∠mcy = 90° xx' ≅ yy' bz' ≅ bz xy || x'y'.

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features

When your working with the passage-based reading questions on the psat do all of the following except. a)make sure you read each question throughly. b) try to answer each question before you look at the answers. c) plan to spend most of your time reading the passage. d) make sure your answer choice is the most correct number me

Why has there been such a large increase in theft and other crimes in the u.s