Solve.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $4700.00 with an interest rate of 8% earned $1128.00 in simple interest. Find the amount of simple interest earned if the principle is $4500.00 and the interest rate is 6%.
A. $81,000.00
B. $810.00
C. $1080.00
D. $846.00
Answer: B
Mathematics
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Rewrite the rational expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
The graphing calculator screen shows the graphs of the two given functions, and the display gives the coordinates of one of the solutions. Find the other solution.
y = -x2 + 4x + y = 4
A. (7, -3) B. (1, 3) C. (3, 1) D. (-1, 5)
Mathematics
Determine where the function is concave downward.
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?
A. 
B. 
C. 
D. 
Mathematics
Evaluate the function requested. Write your answer as a fraction in lowest terms.
Find sin A.
A. sin A = 
B. sin A = 
C. sin A = 
D. sin A = 
Mathematics