Solve the equation by completing the square. round to the nearest hundredth if necessary. x2 – x = 25

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?