Jack looked at the place values in pattern a and pattern b. a: 2,20,200,2,000,20, b: 40,000,4,000,400, rule should jack find for each pattern?

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

Pls the last one and it has to be like number 6

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