Can 3/18 be simplified

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Anumber is equal to twice a smaller number plus 3. the same number is equal to twuce the sum of the smaller number and 1. how many solutions are possible for this situation

Lucinda leaves money in her savings account for 8 years. she started with $800 and earned 3.5% interest compound annually. how much money is in her account?