It took jan 3 hours to do the laundry, walk the dog, and mow the lawn. how many minutes did it take jan? remeber, there are 60 minutes in an hour. oof i got stuck (i didn't get this and im posting my questions too quickly oof)

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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