Tanner made bracelets for 14 friends. he used 18 metal beads and some glass beads on the bracelet for each friend. which expressions represent the total number of beads tanner used for all the bracelets? choose all answers that are correct! a. (14⋅18)+(14⋅b) b. 14⋅(18⋅b) c. 14⋅(18+b) d. 14+18+b

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

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.

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents