Please help What is the quotient?

StartFraction (negative 7) squared Over (negative 7) Superscript negative 1 EndFraction

A) -343

B) -7

C) 7

D) 343

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

What is the factored form of the following expressions? d^2 – 13d + 36

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?