30 g serving of a certain breakfast cereal has .5 g of salt. how much salt would that be in mg

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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

Let x = a + bi and y = c + di and z = f + gi. which statements are true?