Find the unknown length in the right triangle. Give an exact answer.
A. b = 
B. b = 2
C. b = 
D. b = 2
Answer: D
Mathematics
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Solve the problem.Sumi Kato's savings account has a balance of $624. After 14 years what will the amount of interest be at 1.5% compounded annually?
A. $150.62 B. $144.62 C. $873.60 D. $133.62
Mathematics
Find all the second order partial derivatives of the given function.f(x, y) = xye-y2
A. 
= ye-y2; 
= 2xye-y2(2y2 - 6); 
= 
= e-y2(1 - 2y2)
B. 
= 0; 
= 2xye-y2(2y2 - 3); 
= 
= e-y2(1 - 2y2)
C. 
= 0 ; 
= 2xye-y2(2y2 - 3); 
= 
= e-y2(1 - y2)
D. 
= ye-y2; 
= 2xye-y2(y2 - 1); 
= 
= e-y2(1 - y2)
Mathematics
Simplify the expression by using the order of operations.51 - (18 - 11)
A. 33 B. 22 C. 7 D. 44
Mathematics
Determine the vertex of the graph of the quadratic function
a. 
b. 
c. 
d. 
e. 
Mathematics