Asecurity alarm requires a four-digit code. the code can use the digits 0–9 and the digits cannot be repeated.

what is the approximate probability that the code only contains odd numbers?

a)0.0005
b)0.00099
c)0.012
d)0.02381

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax