Answer: x=-6
Step-by-step explanation:
x+55+x+51+86=180
2x+106+86=180
2x+192=180
2x=-12
x=-6
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
Answer:
Your answer is $19.26
Step-by-step explanation:
I did the math
$140(.075) = 10.5
10.5+140= 150.50
the total would be $150.50