Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7%
B. 7.7%
C. 3.8%
D. 11.5%
Answer: D
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Find the height of the triangle using Heron's formula. Round your answer to two decimal places as needed.
A. 10 in. B. 4 in. C. 14.14 in. D. 2.83 in.
Solve the problem.The function f computes the annual interest paid on savings of x dollars with an interest rate of 8%. The graph of f and the horizontal line 
are shown in the figure. Determine the x-values that satisfy (i) the equation f(x) = 3.36 and (ii) the equation f(x) > 3.36. Express your answers symbolically. 
A. {x|x = 42}; {x|x > 42} B. {x|x = 42}; {x|x ? 42} C. {x|x < 42}; {x|x > 42} D. {x|x < 42}; {x|x ? 42}
Find the sum of the indicated terms of the geometric sequence.-10, 40, -160 ... (to 6 terms)
Fill in the blank(s) with the appropriate word(s).
Write < or > between the pair of numbers to make the statement true. -5 ? -1
A. < B. >