Answer:
b good luck srro if u am rong
Answer:
4.19
Step-by-step explanation:
Find the mean:

Find the standard deviation:

C it’s what I chose for it
Answer:
The answer is the sum of three times a number and six, divided by the difference of seven times the number and nine
Step-by-step explanation:
3p = three x a number
7p = seven x a number
3p+6 = sum of three x a number plus six
7p-9 = difference of seven x the number minus nine
(3p+6)/(7p-9) = sum of three times x number plus six, divided by the difference of seven x the number - nine
Answer:
both are c
Step-by-step explanation: