Why did multiplication and division become easier during the gupta empire? a. they were the first to use base-10 numbers. b. they were the first to understand long division. c. they created a numeral for zero. d. they combined chinese and greek knowledge. i can't tell if its a or d

In a citizens elect the president as head of government separately from the legislature. question 1 options: parliamentary democracy communist state presidential democracy autocratic state

Economic growth in the united states does not affect the economies of other countries. select the best answer from the choices provided t f

Griffin correctly concludes that the coordinate pair for the russian federation is an influential point, because removing the russian federation from the relationship will significantly change the trend of the regression line. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated coefficient of determination of the regression line. is not an influential point, because the russian federation does not have the highest cvdir of all 1111 nations in the scatterplot. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated slope of the regression line. is not an influential point, because the russian federation has a positive residual in the least-squares linear regression.