At the track meet, ervin won the 100-meter dash with a time of 12.45 seconds. landon finished second. landon's time contains a 4 with a value 1/10 the value of the 4 in ervin's time. what could be landon's time in the 100-meter dash?

Given the parent function of [tex]f(x)=x^4[/tex], what change will occur when the function is changed to [tex]f(\frac{1}{2} x)[/tex]?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

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?