Answer:
Miguel would have $7.05 dollars left
Step-by-step explanation:
take all the number and subtract them
$20 - $7.25 - 3.95 - 1.75= $7.05
Answer: C. 
Step-by-step explanation:
Given: Box contains 8 green balls and 4 purple balls.
Total balls = 8+4 = 12
event 1 = first picking green ball
event 2 = second picking purple balls.
As first ball was replaced, that means both events are independent.
Probability that you have selected a green ball and then a purple ball = P(purple ball )
Formula for probability = 
Probability of selecting a purple ball (second pick)= 

The required probability
, so C is correct option.
Answer:
A
Step-by-step explanation:
X<Y means x is less than y-5 and you get A.