Eton's baby sister took a nap for 2 hours and 22 minutes yesterday and 1 hour and 35 minutes today. how many minutes did she sleep yesterday than today

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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