Your company has 50 employees and you are ordering custom printed t-shirts and travel mugs for everyone. The printing company offers you two packages. You can purchase 40 t-shirts and 10 travel mugs for $340 or 20 t-shirts and 30 travel mugs for $470. Write a system of
equations that could be used to determine the cost of each t-shirt and each travel mug. (Don't solve, just write the system of equations.)

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?

Apply the distributive property to write an expression that is equivalent to 5h + 2hsquared2.

To get to school each morning, vanessa takes a horse 19.3319.33 kilometers and a train 2.272.27 kilometers. in total, the journey takes 26.4826.48 minutes. how many kilometers is vanessa's journey in total?