The correct answer for the question that is being presented above is this one: "The graph shifts 5 units down." The statement that best describes the effect of replacing the graph of f(x) with the graph of f(x) − 5 is that <span>The graph shifts 5 units down.</span>
Hello!You have to multiply 1 1/4 by 30 because each math book is 1 1/4 in. thick, and 30 books is 1 1/4 by 30. First change 30 and 1 1/4 to an improper fraction.

Avg of 7 numbers = 9
Total of 7 numbers will be = 9 * 7 = 63
Avg of 3 of them is = 5
Total of those 3 will be = 3 * 5 = 15
Therefore the total of other 4 = 63 - 15 = 48
Ergo , avg of them = 48 / 4 = 12
Answer is 12
hope this helps!
2. Both have the variable of x