If 5% sales tax is added to her total, what is the greatest total cost of groceries Darla can spend in order to spend as close to $15 as possible without going over?

What are the domain and range of the function f(x)=2^x+1

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer