Can anyone please help me with this question?

Eleni and analisa are driving to ms. a's wedding. eleni is going east at a rate of 50 mph and analisa is driving south at 38 mph. at what is the distance between the cars changing when eleni is 1 mile and analisa is 3/4 mile from the wedding?

Match each financial concept with its correct situation time value of money store of value personal disposable income consumer credit angela chooses between having $1,000 now, and investing it in a savings account so that she can have $1,050 a year from now. jane has $2,500 monthly to spend after she pays taxes david saves his money for the future so he can live comfortably in retirement lester uses a credit card to purchase a new ipad, as he cannot pay the entire amount now um. all rights reserved. there to search

What is tge speed of sound in dry air at 0°c