Answer:
The missing number (i.e. the coefficient of x) is 5.
Step-by-step explanation:
5x - 8 - 9x = -4x + 8
-4x - 8 = -4x + 8
-8 ≠ 8
Answer:
9
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
(c + 1)(c+1) = c² + c + c + 1 = c² + 2c + 1
Answer:
the first box is,
the second box is 13.
-by-step explanation:
In a triangle, the hypotenuse is equal to the product of the length of a leg, x, and, and both legs are the same length.
Since the given leg length is 13, the other leg has a length of 13. The hypotenuse of the triangle equals the product of the leg length and, or.