HELP Most of the 1,422-mile-long Alaskan highway is actually in Canada. Find the length of the highway that is in Alaska and the length of the highway that is in Canada if it is known that the difference in the lengths is 1,020 miles.​

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

Abag contains 5 red marbles , 6 blue marbles and 4 green marbles. susie selects a marble and returns it to the bag before selecting another marble. if susie selects a red marble 6 out of 20 times, what is the experimental probability that the next marble she selects will be a red marble ?

James performed an experiment to see how adding different salts to water affects their freezing points. his data is shown below. concentration of salt solution (mol solute/kg water) freezing point for nacl solution freezing point for mgcl2 solution 0 0°c 0°c 2 -2.5°c -2.8°c 4 -6.0°c -7.5°c 6 -11.0°c -15.0°c 8 -16.5°c -35.0°c how are the freezing points related to the concentrations of the salt solutions?