Work Shown:
z = (x - mu)/sigma
z = (71 - 74)/(3.7)
z = -0.8108 approximately
z = -0.81
Answer:
60
Step-by-step explanation:
Answer: right triangle
A
$170 - $51 = $119 more needed for the purse
she earns $17 per hour so
$119 ÷ $17 = 7
she should tutor 7 hours so h>10
