Solve the problem.The function A = Aoe-0.0099x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 700 pounds of the material are initially put into the vault, how many pounds will be left after 180 years?
A. 118 pounds
B. 136 pounds
C. 900 pounds
D. 535 pounds
Answer: A
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Write fraction in lowest terms.General Community Hospital has 2,000 patients registered, of which 630 are outpatients. What fraction of the patients are inpatients?
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest cent unless otherwise noted.You would like to have $44,000 in 5 years for the down payment on a new house following college graduation by making deposits at the end of every three months in an annuity that pays 4.25% compounded quarterly. How much should you deposit at the end of every three months? How much of the $44,000 comes from deposits and how much comes from interest? Round all answers to the nearest dollar.
A. $1986; $39,720 from deposits and $4280 from interest B. $2366; $23,660 from deposits and $20,340 from interest C. $1478; $29,560 from deposits and $14,440 from interest D. $2197; $43,940 from deposits and $60 from interest
Convert 
to Hexidecimal.
a. 53 b. 100 c. A2 d. 10B e. 2F
Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.5 + 4x2 = -2x
A. two rational solutions B. two irrational solutions C. two nonreal complex solutions D. one rational solution