With 128 134 140 146 152 what's the next number if the pattern continues

Can you me find the missing length. i attached an image.

7+(3n++8) what is the answer to this?

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