Answer:
$654
Step-by-step explanation:
600*1.09=654
Answer: For a test? Nah, thats cheating
Step-by-step explanation: Just kidding, the answer is B...
Answer:
7b-c²
Step-by-step explanation:
7times b is 7b reduced by the square of c means minus c²
Answer:
2x^{4}
Step-by-step explanation:
You would subtract 7 and 5 and you would leave the exponent so it would be 2x^{4}