When Famke charges her phone, it gains percentage points each minute. When Famke uses her phone, it loses percentage points each minute.
Once, Famke used her phone for some time, and then charged it for twice the amount of time she used it. In the
end, her phone lost percentage points.
How long did Famke use her phone and how long did she charge it?

Of four points are collinear, they are also coplanar

What is the absolute value of the complex number -4-sqrt2i

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