Answer:
D
Step-by-step explanation:
Expressions are mathematical statements represented with the variables
The value of 12x^-3 y-1 for x=-1 and y=5 is - 12/5
<h3>How to determine the value of the variable</h3>
The expression is given as:

When x = -1, the expression becomes

Evaluate the exponent

When y = 5, the expression becomes

Evaluate the exponent
- 12/5
Hence, the value of 12x^-3 y-1 for x=-1 and y=5 is - 12/5
Read more about expressions at:
brainly.com/question/723406
) It bends light rays inward.
Answer:
sorry i tried but it is to hard
Step-by-step explanation:
keep strOng u will get it
Answer:
it is raining if and only if the ground is wet
Step-by-step explanation: