Given that 
and 
, evaluate:
?
?
A. -30
B. -27
C. -29
D. -32
Answer: C
Mathematics
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Provide an appropriate response.Helga decided to keep track of her data overage charges for six months. Find the total for the six months if the charges were $28.07, $63.87, $42.91, $31.28, $37.15 and $27.88.
A. $230.96 B. $223.33 C. $208.86 D. $231.16
Mathematics
Find an equation in standard form for the hyperbola that satisfies the given conditions.Vertices at (0, ±6), foci at (0, ±9)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve the problem.At what interest rate would a deposit of $50,000 grow to $72,750 in 15 years with continuous compounding?
A. 0.5% B. 2.5% C. 5.5% D. 3.5%
Mathematics
Find all solutions of the equation in the interval [0, 2?).2 cos
- 
= 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics