A worm crawled the first 4 hours of its journey at speed of 15 meters per hour and the remaining 7 hours at 12 meters per hour. How far is the whole journey in meters?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent