Two mechanics worked on a car. the first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. together they charged a total of $1775 . what was the rate charged per hour by each mechanic if the sum of the two rates was $165 per hour? note that the aleks graphing calculator can be used to make computations easier.

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

3.4a=57.8 what is the the value of a