4(1-7x)-5(7-6x)
can someone tell me the answer step by step.

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

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?