Answer:
−8a2−3b+76
Step-by-step explanation:
=13a2+−3b+−21a2+76
Combine Like Terms:
=13a2+−3b+−21a2+76
=(13a2+−21a2)+(−3b)+(76)
=−8a2+−3b+76
Answer:
Step-by-step explanation:
If the width is x, then the length is x+5. To find x add up the widths and lengths:
x+x+(x+5)+(x+5)=50
4x+10=50
4x=40
x=10
wodth=10 length=15
Number of ways = 4! = 4 x 3 x 2 x 1 = 24
Answer: 24
