3x+1.5y

25
I hope this helps, I know its late, but maybe it will help other people.
Answer:
0.701
Step-by-step explanation:
Probability is the ratio of favorable outcomes to the total number of outcomes. It provides incite to likelihood an event to occur. Probability is a ratio , so it has no unit. It is sometimes expressed in percentage.
probability that the student intends to attend classes full time in pursuit of an MBA degree = 352/502 = 0.7012.
Answer:
{x:x is a multiple of 3, x ≤ 15}
-80x is the the problem
In this case, x=7
-80 times 7= -560
So -560 would be the integer that represents the depth of the submarine after 7 minutes.