Solve the problem.The figure below shows an addition pyramid, in which each number is the sum of the two numbers immediately below. 
For the incomplete addition pyramid below, show that the values in the square can be determined by forming and solving an equation in the unknown variable shown. 
What will be an ideal response?
Therefore, the following solution is obtained:
Mathematics
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Answer the question about the given function.Given the function f(x) = 
, is the point (-1, - 
) on the graph of f?
A. Yes B. No
Mathematics
Find the exact value of the expression.cos 
A. 
B. 
C. 1
D. 
Mathematics
Solve the problem.The sum of two numbers is 37 and their difference is 15. Find the numbers.
A. 13 and 28 B. 24 and 13 C. 23 and 14 D. 26 and 11
Mathematics
Write the expression in the standard form a + bi.i6 + i4 + i2 + 1
A. 0 B. -1 C. i D. 1
Mathematics