Answer:
5m+41n
Step-by-step explanation:
4(2m+5n)-3(m-7n)
8m+20n-3m+21n
8m-3m+20n+21n
5m+20n+21n
5m+41n
Please mark me as Brainliest if you're satisfied with the answer.
Answer:
x = 4
Step-by-step explanation:
90 + 70 + 5x = 180
160 + 5x = 180
180 - 160 = 20
20 / 5 = 4
I don't know if you have any other information, but it looks like the corner of the house is at the center of the circle, making 20 the radius. The dog can only ever be 20 feet away from the house. With the information given, that is all you can find.
Answer:
The second statement is true.
Step-by-step explanation:
Draw the corresponding parabola and use it to verify all statements.