Study the geometric sequence {-4, -84, -1764, -37044, ...}. What is the explicit formula for the sequence?
(21)(-4)(n-1)
O an = (-21)(4)(n-1)
O an = (-4) (21)(n-1)
O an = (4)(-21)(n-1)

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Which graph represents the parent function of y=(x+2)(x-2)

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?