Determine the place value of the digit 3 in the whole number.30,500,421
A. Millions
B. Ten-thousands
C. Tens
D. Ten-millions
Answer: D
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the parabola y = 16 - x2 and the x-axis
A. 
= 
, 
= 0
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Determine whether the terms are like or unlike.20a9 and 20a6
A. like B. unlike
Solve the problem.The formula C = 497x + 184 models the data for the cost to produce x units of a product, where C is given in dollars. How many units can be produced for a cost of $149,284?
A. 225 units B. 300 units C. 600 units D. 150 units
Solve the problem.A $122,000 trust is to be invested in bonds paying 8%, CDs paying 5%, and mortgages paying 9%. The bond and CD investment together must equal the mortgage investment. To earn a $9320 annual income from the investments, how much should the bank invest in bonds?
A. $24,000 B. $26,000 C. $35,000 D. $61,000