In order to simplify the expression negative 8 square root of 726 without a calculator, choose the first step in order to simplify. There are two correct answers. A.-8 sq root 121 X 6 B.-4 X 2 sq root 726 C.-8 sq root 100+626 D.-8 sq root 2 X 3 X 11 X 11

Me because some of question i don’t understand

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score