Combine these two like terms to create an equivalent expression: 4z - (-3z)

Average acceleration: i have no idea how to do this.

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Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m