Solve the quadratic equation by completing the square.7x2 + 9x + 7 = 0
A. 
B. 
C. 
D. 
Answer: C
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Show that the function is a solution of the wave equation.w(x, t) = e-7ct cos -7x
A. Yes B. No
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
A(n) ______ is a report that shows how long accounts receivable have been outstanding; it divides receivables into specified periods that provide information regarding the proportions of receivables that are due for specific periods of time.
A. payables time line B. collection float schedule C. aging schedule D. accounts payable tracker E. credit indenture
Solve the problem.Given that the polar equation r = 
models the orbits of the planets about the sun, estimate the closest possible approach of a planet for which 
and 
to a planet for which 
and 
A. 64 astronomical units B. 0 astronomical units C. 26 astronomical units D. 10 astronomical units