Answer:
84 feet
Step-by-step explanation:
3*7=21
12*7=84
im bad at explaining, but your current answer correct
I’m pretty sure it’s like y=-1/2x
Answer:
(c) 43.
Step-by-step explanation:
Given:
Margin of error (E) = 2
Sample variance
= 44
Confidence level = 95%
The z- value at 95% confidence level is 1.96.
The sample using the provided information can be calculated as:

Hence, the correct option is (c) 43.
Answer:
12
Step-by-step explanation:
Since 15 is 3 times the ratio you multiply 4 by 3
Answer:
2w+10
Step-by-step explanation: