The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
Answer:
x = 60°
Step-by-step explanation:
since, the triangles are complementary the sum of their measures will be 90°
now,
Answer:
24
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
To find the inverse of a function, first make f(x) a y
So,
y = 
-18
Then switch the x and the y
x = 
- 18
Solve, for y
Q+P =180 so (Q is 137) p=s so (s is 43) and q = r so (r is 137)
