which expressions are equivalent to 25 + 7 - (-10) + 15? choose 2 answers: a 25 + 7 + (-10) + 15 b 25 + 7 +…

Explanation:

Step1: Simplify the original expression

$25 + 7-(-10)+15=25 + 7 + 10+15$ (Subtracting a negative is adding a positive).

Step2: Analyze option A

$25 + 7+(-10)+15=25 + 7-10 + 15$, not equivalent to the original.

Step3: Analyze option B

$25 + 7 + 10+15$ is equivalent to the simplified original expression.

Step4: Analyze option C

$(25 + 7)+10 + 15=25 + 7+10 + 15$ (by the associative property of addition), equivalent to the original.

Step5: Analyze option D

$(25 + 7)+(-10)+15=25 + 7-10 + 15$, not equivalent to the original.

Answer:

B. $25 + 7 + 10 + 15$, C. $(25 + 7)+10 + 15$