Which investment produces a $5 hourly profit for a candy shop earning $1 profit per pound of candy?

a. worker at $10 per hour, producing eight pounds of candy per hour
b. worker at $12 per hour, producing 16 pounds of candy per hour
c. machine with $5 per hour operating cost, producing 10 pounds of candy per hour
d. machine with $8 per hour operating cost, producing 14 pounds of candy per hour

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

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 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.

Which expression is rational? 6. , square root two, square root 14, square root 49