Answer:

Step-by-step explanation:
10 * sqrt(81/25 * -1) = 10 sqrt(81/25) * sqrt(-1) = 10 *9/5 * i
Answer:
x = 23.4
Step-by-step explanation:

.33 x 48
15.84
48 - 15.84
$32.16
---------------
125 x 1.08
$135
156 divided by 4 is 39 So each side is 39
Answer:
If you mean "How do I write an inequality?", the answer is COEFFICIENTxVARIABLE {any symbol} COEFFICIENTxVARIABLE >/< INTEGER
In other words, you should have something like this: -3x + 4v < 63
Or this: 51x - 16v > 11
Or anything along those lines.