The possibilities are HH TT HT TH so to get TT you have a 1/4 chance (25%)
If he buys 30 for x amount and sells them for y then you would take y and subtract 30x and your left with the answer = y-30x.
Answer:

Step-by-step explanation:

For f(2), the input of the function is 2.
Let x = 2.

Evaluate.



Answer:
(y+3)^2/8^2 - (x-1)^2/6^2 = 1
Step-by-step explanation:
edg2020
Answer:
C: 36/3
Step-by-step explanation:
36 ÷ 3 = 12
We solve by using the total amount of dollars and dividing by how many CDs there are