3x^4-15x^3-4x^2-5x-16 is divided by x-4

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?

Select the correct answer what is the 10th term of the geometric sequence 3,6, 12, 24,48 a. 512 b. 3,072 c. 768 d. 1,536