Which expression is equivalent to 9.7d+4.1+5.1d-9.2 A) 13.8d−4.1
B) 14.8d+13.3
C) 4.6d−5.1
D −5.1+14.8d

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

10x − 5y + 14 = 0 whats the answer pls

What are the solutions of the following system? y=-2x^2 y=x-2