Answer:
c
Step-by-step explanation:
its right
Standard deviation=4.
let the mean be 12 and the score be 0 (therefore 12 point difference.)
0-12/s=-3 (s being standard deviation)
-12/4 = -3
Answer:
So if he needs 1.5 of the lemonade mix, to find how much you need, simplu divide.
Step-by-step explanation:
4.5/1.5=3
He can make 3.
12% of 68 is 8.16. In order to find this answer you must change 12% into a decimal (.12) and then multiply by 68. (68×.12=8.16).