Evaluate the expression (2x + y) - z when x= 3, y = 4, z =5

The triangles are similar. what is the value of x? x=

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Can someone me with the property questions for 12 13 and 14 plz