In a department store, a $50 dress is marked, "save 25%." what is the discount? what is the sale price of the dress?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?