Ok first you have to multiply and get scammed
The inverse fraction of 15x+14 is f^-1 (x)= x/15-14/15
Answer:

Step-by-step explanation:
There are

different ways to select the four numbers between 1 and 42. Only one of this ways is correct (successful to win).
There are 30 different ways select the single number between 1 and 30. Only one of them is correct.
The probability of winning the jackpot is

Answer:
Step-by-step explanation:
27 ÷ 90 = 0.3 = 0.30 = 30%