9514 1404 393
Answer:
A = 8x³ +4x² -4x
Step-by-step explanation:
Put the given values into the area formula and simplify.

Answer:
x = - 4
Step-by-step explanation:
Sum of interior angles in a triangle = 180
so
x + 24 + 20 + 140 = 180
x + 184 = 180
x = - 4
Answer:
-191
Step-by-step explanation:
Replace variables with corresponding value.
3(3) + (-5)^2 - ((3)(-5))^2
Solve exponent.
3(3) + 25 - 225
Multiply.
9 + 25 - 225
Combine like terms.
-191
Answer:
4
Step-by-step explanation:
The principal square root is the positive square root
sqrt(16) = ±4
taking the positive square root
4
If there are 12, and nine have chocolate, subtract 9 from 12. You will get 3, so you will get 3/12.