9a + 24 - 6a
3a + 24
In bold is your answer
Answer:
3x+4
Step-by-step explanation:
Think about it do you think it's subtraction or addition?
Did the question mention what her current checking account balance was ?
9^2/9^7
when dividing powers, we subtract the exponents
9^(2-7)
9^ (-5)
a negative exponent flips from the numerator to the denominator
1/ 9^5
Choice D