Answer:
D. 81
Step-by-step explanation:
I think the attached photo supports for your question to be answered
Here is my answer:
Number of days: 30
Mean of the data set = (68 + 70*2 +74*2 +76*4 +78 +80*5 + 82*3 +84*5 + 88 +88*3 + 92*3) /30 = 81
Answer:
17.5
Step-by-step explanation:
90% sure
D=M/V. You just multiply both sides by D to get DV=M, then divide V by both sides.
The answer is 5 x -3 + 4 x 2 / 2 = -15 + 8 / 2 = -11
.75x+4=.75
hope this helps!