Answer:
Just took the test the answer is a
Step-by-step explanation:
Answer:
Sara expect the better grade for Math class.
Step-by-step explanation:
Consider the provided information.
On the Math exam, the mean was µ = 30 with s = 5, and Sarah had a score of X = 45.
Z score for Math: 



On the Spanish exam, the mean was µ = 60 with s = 8 and Sarah had a score of X = 68.
Z score for Spanish: 



On the English exam, the mean was µ = 70 with s = 8 and Sarah had a score of X = 70.
Z score for English: 


We can observe that Z score of Math is greater than Spanish and English.
Which means that Sarah did the best in her Math exam.
Hence, Sara expect the better grade for Math class.
Answer
5.96046448×10^16
Step-by-step explanation:
It’s A i did the test myself..
Answer:
4:7
Step-by-step explanation:
8 : 14
8/2 : 14/2
= 4 : 7