B this is because 15y is 10 a
The gcf of 90 and 72 is 18, so i divided both of them by 18 and i got 4 and 5, in total he would 9 pieces of wood
So, 10^6 = 1,000,000 and 25*1,000,000 is equivalent to 25,000,000.
Answer:
(x+y)
Step-by-step explanation:

Thus, the HCF is (x+y).
Answer:
D. (-∞,4]
Step-by-step explanation:
The range is the y values
The lowest y values is negative infinity
The highest y values is 4
( - inf, 4]
We use the parentheses since we cannot get to negative infinity, the bracket since we reach 4