Rani bought similar notebooks. she gave the cashier $10 and received change of $5.05. what was the cost of 1 notebook?

In a certain pentagon, the interior angles are a, b,c, d,e where a, b,c, d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i. e dependent variable) and identify the independent variable.