One measure of living standards in country a is given by the following formula.
upper l left parenthesis t right parenthesis equals 6 +3 e ^.19t
in this formula t is the number of years since 1982. find l to the nearest hundredth for each year.
(a)1988   (b)1996   (c)2007

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.