Choose the sentence in which the passive voice is used. a. a. a path of destruction was left by the twister; b. deepak slammed on the brakes as the car sped downhill; c. the show's long run surprised the critics.

The sentence which uses the passive voice form is option A. A path of destruction was left by the twister. A passive voice construction has no direct object which directly receives the action of the verb. In this kind of sentence, the object becomes the subject instead. 

Look at the number of points where the graphs intersect each other...the points where the graphs of the functions cross each other are the solutions to the system. 

Upon looking, you should see 4 points where the graphs intersect, so there are 4 solutions to the non-linear system of equations. 

Step-by-step explanation: