A password must have 2 letters and 3 digits. How many different passwords are possible? A) 60,466,176
B) 468,000
C) 676,000
D) 82

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Can someone me with the property questions for 12 13 and 14 plz

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.