In a certain college, 40% of the senior class
students are taking Physics, 30% are taking
calculus and 10% are taking both. If 40
students are enrolled in the senior class,
how many students are taking neither
Physics nor calculus?

Need answers fast please and thank you

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

What is the absolute value of the complex number -4-sqrt2i