7 because when you have two negative together they change to positive. I learned like this the -enemy of my -enemy is my +friend.
Answer:
V=1
4h﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4
Step-by-step explanation:
Answer:
2700 - 2000 = 700 - 100 = 600 - 200 = 400 - 100 = 300
300 dollars
The circumference is the measurement around the circle.
Answer:
The Area is 10cm, and the perimeter is 14cm
Step-by-step explanation:
Area:
a = w · l 5cm · 2cm =10cm
Perimeter:
p = 2(l+w) 2(5 + 2) = 14