Use the inner product u, v = 2u1v1 + u2v2 in r2 and the gram-schmidt orthonormalization process to transform {(2, −1), (−2, 7)} into an orthonormal basis. (use the vectors in the order in which they are given.)

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

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42