Add or subtract as indicated.|9| + |2|
A. -7
B. 11
C. 7
D. -11
Answer: B
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Solve the problem.A corporation's bank account has a balance of $6219. The following positive entries (deposits) and negative entries (withdrawals) are made to the account. 2902, -5602, -3370, 2303, and 4062What is the ending balance?
A. $9986 B. $6514 C. $5924 D. -$6514
Evaluate the root function at the given x-value. Round to the nearest hundredth when appropriate.f(x) = 
, x = -19
A. 2.09 B. -2.26 C. 2.26 D. Undefined
Solve the problem.One method to determine the time since an animal died is to estimate the percentage of 
remaining in its bones. The percent P in decimal form of 
remaining after x years is given by 
Approximate (to the nearest whole year) the age of a fossil if there is 13% of 
remaining.
A. 7323 B. -21,198 C. 16,861 D. -2168
If a and b are rational numbers, with a ? 0 and b ? 0, and if m and n are integers, determine if the following is true or false. Justify your answer.(a - b)m = am - bm
A. True; (2 - 1)1 = 21 - 11 B. False; (2 - 1)2 ? 22 - 12