Answer:
135
Step-by-step explanation:
3b + B = 180
4b = 180. ÷4
b = 45
a = 135
Answer:
11 3/5
Step-by-step explanation:
x+2/5=12
First, you subtract 2/5 from both sides, so the equation becomes:
x=11 3/5
Therefore, x equals 11 3/5
Answer:
huh?
Step-by-step explanation:
Answer:
Answer: 1/81
First you simplify it to 3^-4
Then express it with a positive exponent
which goes to 1/3^4
Then evaluate it to 1/81