If there is 6 pictures in a bag what is the probability if she pulled out of the bag a total if 20 times

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.