Answer: b≥-3
Step-by-step explanation:
at least means that it's great or equal than -3.
b≥-3
To find the mean (average), we first need to add up all the test scores (14 + 19 + 19 + 20 + 16 + 18 + 15 + 17 + 12 = 150). Then, we need to divide that number (150) by the number of numbers in the data set (9 in this case). So the mean of these test scores is about 16.6666666667.
I believe it would be -17m-4/8
Your answer is 80. A triangle’s angles add up to 180 degrees. Therefore, you need to subtract 30 and 70 from 180 to find your answer: 180-(30+70)=80 or 180-70-30=80
Answer:d
D. 9 and 46/180
Step-by-step explanation: