Solve the problem.An element decays at the rate of S(t) = se-0.071t, where t is time in years and s is the initial size in grams. If you have a 42-gram piece of this element, how many grams will you have 3 years from now? Round your answer to the nearest tenth of a gram.
A. 52.0 g
B. 0.8 g
C. 33.9 g
D. 19.6 g
Answer: C
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Use the discriminant to determine the number and type of solutions for the equation. If the solution(s) are real, state whether they are rational or irrational.6y2 = 5y - 2
A. Two rational solutions B. Two irrational solutions C. Two nonreal complex solutions D. One rational solution
Solve the problem. Round to the nearest cent.Susan has a credit card with a monthly rate of 1.2%. The account applies the unpaid balance method. The unpaid balance for her Apr billing cycle is $356.70. During the billing cycle she made purchases of $165.50 returned items for $35.37, and made a payment of $80.00. Find the new balance.
A. $411.11 B. $54.41 C. $446.48 D. $481.85
Solve the equation in the real number system.2x3 - x2 + 2x - 1 = 0
A. 
B. 
C. 
D. 
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 