81 Because 3•3•3•3= 81 then I added the negative sign. but I guess you should do -3•-3=9 then again -3•-3=9. then 9•9 equals 81.
The measure of ? is 36, because if the perimeter of the triangle is 96 and there are 3 sides subtract the base length of 24 from 96 getting you 72 and divide 72 by 2 getting you 36 because there are 2 other sides that are the same length.
Nadia will need to add 8 muffins per bag.
Answer:
8 cm
Step-by-step explanation:
Let x cm be the length of the base, then the length of the height is x+7 cm. Use formula for the area of the triangle:
In your case,
Since the base cannot have negative length, then x=8 cm.
Answer:
3 blue birds
Step-by-step explanation:
8-5=3