Answer:
90
Step-by-step explanation:
9 x (3)2 + 9 first do the parenthesis
9 x 9 + 9 I am assuming the 2 was an exponent
81+9
90
Answer:
1 4/5
Step-by-step explanation:
Answer:
when a is negative, the symbol will be reversed
You said worth 20, but it’s worth 10 soo