Solve the problem.Find the mass of a tetrahedron of density 
bounded by the coordinate planes and the plane 
.
A. 72
B. 
C. 96
D. 
Answer: A
Mathematics
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Solve the problem.Devin purchased a $3500 bond paying 4.5% annual simple interest after graduating from college. It is now 35 years later and he decides to cash in the bond. What is the value of this bond now? Round your answer to the nearest dollar.
A. $8632 B. $9013 C. $5513 D. $16,336 E. $3537
Mathematics
Solve the problem.Find (f?g)(4) when f(x) = 5x + 7 and g(x) = 5x + 6.
A. 53 B. 702 C. 141 D. 137
Mathematics
Identify as an equation or an expression.
x + 3 - 
x - 8
A. Equation B. Expression
Mathematics
Write each whole number in expanded form.4629
A. 400 + 20 + 6 B. 4,629,000 C. 4000 + 600 + 20 + 9 D. 9000 + 200 + 60 + 4
Mathematics