Solve the problem.If an amount of money, called the principal, P, is deposited into an account that earns interest at a rate r, compounded annually, then in two years that investment will grow to an amount A, given by the formula 
If a principal amount of $4500 grows to $5445.00 in two years, what is the interest rate?
A. 12%
B. 11%
C. 8%
D. 10%
Answer: D
Mathematics
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Use the earthquake magnitude scale to answer the question.How much energy, in joules, is released by an earthquake of magnitude 6?
A. 2.5 × 1016 joules B. 2.5 × 1013 joules C. 2.5 × 1010 joules D. 2.4 × 1013 joules
Mathematics
Solve the problem.Suppose that velocity is given by 
Find the displacement as a function of time if 
when 
A. s = 40t4 + 8
B. s = 8t6 + 8
C. s = 
t6 + 8
D. s = 
t6
Mathematics
Evaluate the integral.
A. 5 sin 
x + 10x cos 
x + C
B. 5x sin 
x - 10 cos 
x + C
C. 20 sin 
x - 10x cos 
x + C
D. 10x sin 
x + 20 cos 
x + C
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics