Answer:
i do not
know the awnser but c would be 720 multiplied by its self 3 times the converted
Step-by-step explanation:
They are supplementary angles. They are located on a straight line, and when added together they will add up to 180 degrees.
Answer:
The mean of the combined math and verbal scores is 1100, while the standard deviation is 141.
Step-by-step explanation:
Normal variables
Normal variables have mean
and standard deviation 
When we add normal variables, the combined mean is the sum of both means, and the standard deviation is the square root of the sum of both variances. The distribution is still normal.
In this question:
Verbal:
.
Math: 
Combined:


The mean of the combined math and verbal scores is 1100, while the standard deviation is 141.
Answer:
2/3
Step-by-step explanation:
17/21-1/7
17/21-3/21
14/21=2/3