How can i used properties to find the sum or product for 93+(68+7)

1. are the triangles similar and if so why? what is the value of x? show your work.

Write a corresponding real world problem to represent 2x - 125=400

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)