Abc is similar to dec find the length of x. the length of side x is m

In the 30-60-90 triangle below side s has a length of and side r has a length

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

Which representation has a constant of variation of -2.5