Use a calculator to give the value to the nearest degree.? = sin-1(-0.4848)
A. -29°
B. 151°
C. -28°
D. -31°
Answer: A
Mathematics
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Solve the problem by integration.Under specified conditions, the time t (in min) required to form x grams of a substance during a chemical reaction is given by 
Find the equation relating t and x if x = 0 g when t = 0 min.
A. t = 
ln 
- 
ln 
B. t = 
ln 
+ 
ln 
C. t = 
ln 
- 
ln 
D. t = 
ln 
+ 
ln 
Mathematics
Provide an appropriate response.Indicate whether the following statement is true or false. If every element of a 
matrix is multiplied by -3, the determinant of the new matrix is -3 times the determinant of the original matrix.
A. True B. False
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve.(x - 5)(5x + 15) = 0
A. -5, 3
B. - 
, 
C. -3 , 5
D. - 
, 
Mathematics