I think its 38 but I'm not sure
First, to make the equation easier to read, you want to add the x’s together. you should then get 2.6x-3.8=-9. then, you want to add the 3.8 to both sides, to make the x stand alone. you should end up with 2.6x=-5.2. to find x, you then want to divide both sides by 2.6. your final answer after dividing should be x=-2
Answer:
The volume of the sphere is 288π or 904.778 cubic inches.
Step-by-step explanation:

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Answer:
the 2nd one
Step-by-step explanation:
20( -1.5r + 0.75)
Multiply everything by 20
= -30r + 15