Last week, sarah had exams in math, spanish, and english. on the math exam, the mean was µ = 30 with s = 5, and sarah had a score of x = 45. on the spanish exam, the mean was µ = 60 with s = 8 and sarah had a score of x = 68. on the english exam, the mean was µ = 70 with s = 8 and sarah had a score of x = 70. for which class should sara expect the better grade?

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

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

idek

step-by-step explanation: