Fill in the black with the missing term.
16). ( ? )(4xy3 – 7x2y) = -12x3y8 + 21x4y6

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase