Solve the following differential equation: y + y = r(t) where: y(0) = 0 and y(0) = 0 when r(t) is a delayed impulse function given as : r(t) = 4delta(t - 2pi). when r (t) is a delayed step function given as: r(t) = u(t - 2 pi).

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

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2