Which of the following expressions shows the number of 8 character passwords that can be formed using letters and digits if the password must begin with a letter? a.
21 times 36 superscript 7
b.
26 times 36 superscript 7
c.
26 superscript 5 baseline times 10 superscript 3
d.
36 superscript 8

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

How do i find the missing angle measure in a polygon

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d