Factor out the greatest common factor.10a6 + 40a3
A. 10a3(a3 + 4)
B. a3(10a3 + 40)
C. 10(a6 + 4a3)
D. 30(a3 + 4a)
Answer: A
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The following table shows the amount remaining, in grams, of a radioactive substance after t years.
05101520
500429.37368.71316.63271.9?
A. Calculate the average rate of change in amount of radioactive substance from 
to 
. (Be sure to get the sign right.)B. Explain in practical terms the meaning of the number you calculated in part A.C. Use your answer from part A to estimate the amount remaining after 13 years.D. What is the limiting value of amount remaining of this (or any other) radioactive substance?
What will be an ideal response?
Find the maturity date and proceeds. Round to the nearest cent.Face value: $4,500Discount rate: 9%Date made: May 30Time: 90 daysMaturity date: 
Proceeds: 
A. Maturity date: August 30 Proceeds: $4,398.75 B. Maturity date: August 28 Proceeds: $4,601.25 C. Maturity date: August 30 Proceeds: $4,601.25 D. Maturity date: August 28 Proceeds: $4,398.75
Find the absolute value.|-23|
A. -23 B. 0 C. 46 D. 23
Fill in the digits for the given place values in the following whole number.The speed of light is approximately 29,979,250,000 centimeters per second. What digit tells the number of ten millions?
A. 5 B. 2 C. 9 D. 7