Answer:
6:30
1:5
4:20
3:15
2:10
Step-by-step explanation:
im pretty sure these are correct
Answer:
180
Step-by-step explanation:
calculator.
Answer:
-3, 2
Step-by-step explanation:
Answer:
Mr. Berg got $4 in change.
Step-by-step explanation:
Answer:
A. (6x + 7)(6x - 7)
Step-by-step explanation:
use difference of squares, which says a^2 - b^2 =(a+b)(a-b)
take the square roots of the two numbers, 6x and 7, and use them as a and b