An oil company fills 1 over 12 of a tank in 1 over 4 hour with gasoline. at this rate, which expression can be used to determine how long will it take for the tank to fill completely?

1 over 4 ⋅ 1 over 12 hours
1 over 12 ⋅ 4 hours
1 over 4 ⋅ 12 hours
12 ⋅ 4 hours

plz

giving away all my points for this.(99)

True or false look at the picture pls : /

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9