Find constants A and B such that the function y = A sin(x) + B cos(x) satisfies the differential equation y'' + y' − 9y = sin(x).

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

Which value would be a solution for x in the inequality 47-4x< 7

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)