Classify the triangle as equilateral, isosceles, or scalene. Then classify it as right, obtuse, or acute.
A. Isosceles; acute
B. Scalene; acute
C. Scalene; right
D. Isosceles; right
Answer: C
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Evaluate the integral.
A. e2t + ln
- 
ln
+ C
B. e2t + t - 
ln
+ C
C. 
e2t + t - 
ln
+ C
D. 
e2t - t + ln
+ C
Solve the equation.(7.2)2 = (13.2)2 + (15.4)2 - 2(13.2)(15.4)cos ? for 0° < ? < 90°
A. {29.8°} B. {27.8°} C. {58.8°} D. {25.8°}
Identify the vertex of the parabola.f(x) = 4x2 - 32x + 61
A. (3, -4) B. (4, -3) C. (-4, 3) D. (-4, -3)
Provide an appropriate response.Suppose a corporation pays $50,000 for a machine that has a useful life of eight years and a salvage value of $5000. A sinking fund is established to replace the machine at the end of 8 years. The replacement machine will cost $70,000. If equal payments are made into the fund at the end of every 6 months and the fund earns interest at the rate of 10% compounded semiannually, what should each payment be?
Fill in the blank(s) with the appropriate word(s).