1) Calcular la razón entre la cantidad de harina y de manteca en las diferentes masas. Masa cantidad de harina cantidad de manteca razón
Hojaldre 400 gramos 400 gramos
Frola 350 gramos 150 gramos
Pasteles 500 gramos 300 gramos
Medias lunas 300 gramos 150 gramos

Average acceleration: i have no idea how to do this.

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults. how many students and adults went if the ticket charge was $42.75

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.