The empire of _ formed in the southern area of what had been ghana's empire and founded by the _ .
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Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now

The document asks about dependents because the number can affect who pays taxes. increase overall taxes. lower overall taxes. affect when to pay taxes.

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a. static group comparisonb. pretest-posttest control group designc. control-group-time-series designd. nonrandomized control-group pretest-posttest design