Jackie says that the expression 6x - 7 can't be factored using a GCF. Is she correct? Explain why or why not.

answer: 12   they all have at least 28 days

step-by-step explanation: haha

a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

step-by-step explanation:

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !