Find the intial amount a and the decay b in the exponential function y=5*.5^x

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?