Answer:
70
Step-by-step explanation:
70 combinations of four books can be made from eight different books.
<u>ANSWER</u>


<u>EXPLANATION</u>
To find the value of a function, f(x) at a given value x=a, we plug in x=a into f(x) to obtain f(a) in simplified form.
The first function is

To find f(7), we substitute x=7, into the function.

The second function is

To find f(4), we replace x with 4 to obtain,


Answer:
5 x k = 15 + 3 = 18
Step-by-step explanation:
k=3
I think it’s 12, if you take $360 and subtract the $120 deposit you get 240 and i divided that by 20 to get 12.
Answer:The first one
Step-by-step explanation:
V rectangular prism = Area of the base *5