Which statement best describes the symbol used to depict wood in an elevation plan? A. a set of straight, thick parallel lines moving in one direction B. a set of lines that move in all directions C. a set of lines that cross each other at right angles D. a set of curved lines, one above the other

The usa today reports that the average expenditure on valentine's day is $100.89. do male and female consumers differ in the amounts they spend? the average expenditure in a sample survey of 47 male consumers was $135.67, and the average expenditure in a sample survey of 38 female consumers was $68.64. based on past surveys, the standard deviation for male consumers is assumed to be $34, and the standard deviation for female consumers is assumed to be $17.