Question

What is the best estimate for the value of the expression?

A) -3
B) -2 1/2
C) 7
D) 7 1/2 ;3

Answer 1

The best estimate for the value of the expression is 7 1/2

Step-by-step explanation:

The best estimate for the value of the expression is D) 7 1/2. Since the equation is not provided, I will use the given statements to analyze the options:

• If A=5 and -A=-2, the value of A is 2.
• Based on the given statements, it is not clear how 12 relates to A and -A.

Therefore, without further information, we cannot determine the exact value of 12. However, the best estimate among the given options is D) 7 1/2.