A student was given the single matrix equation [43−84][xy]=[2035]. The student wrote the equations as 4x+8y=20 and 3x+4y=35. Use the rule about matrix equations to identify the student's mistake. What is the error in the first equation? A The coefficient with y should be −8. B The coefficient with y should be 4. C The coefficient with x should be −4. D The coefficient with x should be 8

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose