<h2>Step-by-step explanation:</h2>
-5/7 + x = -1
(-5+7x)/7 = -1
-5 + 7x = -7
7x = -2
<h2>x = -2/7</h2>
please change the digit as per ur QUESTION
Answer:
1985 cubic units (written as un. with the cubed exponent)
Step-by-step explanation:
First, you find the volume of the cylinder
Here's the formula:

Now, you plug in and solve.

Then, you find the volume of the dome.
Here's the formula:

Now, you just plug in and solve.

Finally, you add them together, and there's your answer!

Hope this helped!
<em>brainliest?</em>