rewrite the following compound statement as a biconditional.
if it rains, then i use an umbrella, and if i use an umbrella, then it is raining.
a. if i use an umbrella, then it is raining.
b. if my umbrella is broken, then it is not raining.
c. i use an umbrella, if it rains.
d. i use an umbrella if and only if it rains.

Your answer would be D.

I use an umbrella if and only if it rains.

Trust me on this it makes a lot of since

you can't solve x because it is 2 linear equation and you only have one equation

step-by-step explanation:

divide, then simplify your answer.

1. make -15.66 ÷   5.8 a fraction. then divide.

2. simplify.  

3. final answer.