Answer:a
Step-by-step explanation:
6x / x²
the reciprocal of a number n is
the reciprocal of is
The product of a number and it's reciprocal = 1
106=x+x+5+x+8
106=3x+13
3x=93
x=31
(the sides are 31, 36, 39 respectively)
The answer to this question is b
Answer: -2x + 12
Step-by-step explanation:
2A + B = 2(-2x + 8) + (2x - 4) = -4x + 16 + 2x - 4 = -2x + 12