Find, if possible, the whole number that makes the equation true.(2 + 7) ? 
= 2 ? 
+ 
? 7
A. Any whole number
B. No whole number
C. 0
D. 2
Answer: A
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Model the situation with a dynamical system. Use your model to answer the question.You take a 259-mg dose of an antibiotic every 5 hours. Your body eliminates 44% of the drug in a 
period. How much antibiotic will be in your bloodstream after two doses?
A. Dn+1 = 0.56Dn + 259, n = 0, 1, 2, ..., where D0 = 0; 404.04 mg B. Dn+1 = 56Dn + 259, n = 0, 1, 2, ..., where D0 = 0; 14,763.00 mg C. Dn+1 = 0.44Dn + 259, n = 0, 1, 2, ..., where D0 = 0; 372.96 mg D. Dn+1 = 0.56Dn + 259, n = 0, 1, 2, ..., where D0 = 259; 663.04 mg
Solve.A certain store has a fax machine available for use by its customers. The store charges $2.10 to send the first page and $0.60 for each subsequent page. Use an inequality to find the maximum number of pages that can be faxed for $6.90
A. at most 50 pages B. at most 9 pages C. at most 3 pages D. at most 12 pages
Find the requested characteristic.Find the phase shift for the graph of f(t) = - csc 
.
A. ?
B. 
C. 2?
D. -2?
Simplify.(y9)7
A. 7y63 B. y16 C. 7y9 D. y63