Subtract the polynomials (3x-5-7x2)-(-2+6x2-5x) and rewrite the polynomials without parenthesis. Remember to multiply each term in the second parenthesis by -1. Show your work. Please help me?! I can’t figure this out.

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

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Find the value of x. give reasons to justify your solutions! c ∈ ae