1. the sum of the first eight terms of a geometric sequence is 1041.02 with a common ratio of 0.46. what is the value of the first term in the series? A.563, B.463, C.363, D.263

2.calculate monthly mortgage payments on a $162,000 home, financed at 3.875% yearly interest compounded monthly for 360 months. A.$761.78, B.$799.61, C.$1,050, D.$423.85

3.Find the common differences in the arithmetic sequence where p35=-9p+4 and p28=5p-17?
A. d=2p-3 B. d=-14p+21 C. d=14p-21 D. d=-2p+3