A motorboat travels 102 miles in 3 hours going upstream. It travels 186 miles going downstream in the same amount of time. What is the rate of the boat in still water and what is the rate of the current?

Rate of the boat in still water:

Rate of the current:

Which one is true about the hexagons ?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true