Answer:
1 1/8 or 9/8
Step-by-step explanation:
5 1/2-4 3/8= 1/ 1/8
Answer:
A= -40
B= 16
C= 40
D= 50
Step-by-step explanation:
Answer:
Step-by-step explanation:
(a) Mrs. Bogard is herself a math teacher, so her asking her math class to indicate their favorite subject introduces a strong bias. Some students would try to please Mrs. Bogard by choosing math over history.
(b) If Mrs. Bogard wanted truly unbiased input, she'd have to take the class to another room in which neither math nor history is taught and ask a fellow teacher to do the sampling for her.
Answer:
Step-by-step explanation:
Given
per car
per car
Required
Determine the profit
Let the number of cars be n. So:
Express on n cars is: 260n
Charges on n cars is 450n
The profit (p) is then represented as:
