Goal 2 mixed review questions 4 for the following frequeney distribution, determine the (a) estimated mean tb) modal class (c) range (d) standard deviation (e) variance class 20 up to 30 30 up to 40 40 up to 50 50 up to 60 60 up to 70 frequency 7 12 21 18 12 midpointf fx class interval lass later val

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.

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?