Indicate if the angle 50° is acute or obtuse. Then give the complement and the supplement of the angle.
?
A. obtuse;complement: 040° supplement: 130°
B. acute;complement: 040° supplement: 130°
C. acute;complement: 040° supplement: -50°
D. obtuse;complement: 040° supplement: -50°
E. acute;complement: 130° supplement: 040°
Answer: B
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Solve the equation.
= -8
A. {64} B. {-64} C. {16} D. ?
Evaluate the integral by making a substitution and then using a table of integrals.
dx
A. (x + 3) tan-1 
- 
+ C
B. 
(x + 3) tan-1 
- 
+ C
C. 
(x + 2) sin-1 
- 
+ C
D. 
(2x + 3) sin-1 
+ 
+ C
Provide an appropriate response. The compound amount when an investment is compounded continuously is A = Peni Where A = compound amount, P = original principal, n = number of years, and i = interest rate per year. Let P = 400, I = 0.05, and n = 3, then find A.
A. $3717.87 B. $929.47 C. $464.73 D. $1,858.93
Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.The first marble is blue and the second marble is blue.
A. 
B. 
C. 
D. 0