Astudent is experimenting with
lightning rods and places one
into the ground. she finds that
the approximate length of rod
above ground is 5/7 of a yard
and the approximate length
below ground is 1/3 of a yard.
how many times farther above
the ground is the lightning rod
than below the ground?

Find the missing factor in exponential form 48^2=3^2 • ?

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?

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