What is the equation of a line with a y-intercept of -3 and a slope of - 4/5? a. 4x + 5y = 3
b. -4x + 5y = -3
c. 4x + 5y = -15
d, -4x + 5y = 15

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

The measure of an angle is 117°. what is the measure of a supplementary angle?

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?