Answer:
33.31 cm or higher
Step-by-step explanation:
Given that:
Mean = 29.79 cm
Standard deviation, s = 1.76 cm
According to the range rule of thumb, values which are greater than or equal to 2 standard deviations from the mean are significantly high values :
Significantly high values are :
Mean + 2(standard deviation)
29.79 cm + 2(1.76)
29.79 + 3.52
= 33.31cm
B would be the closest answer
Answer 60.375
Explanation
All you do is multiply 7.5 by 8.05 which gets you 60.375
Corresponding sides have the same ratio, so
x/15 = 12/(12+8) = 3/5
x = 15*3/5
x = 9
