Write the word phrase in symbols, using x as the variable.The sum of a number and 91
A. 91
B. 91 - x
C. x + 91
D. 91x
Answer: C
Mathematics
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The data in the figure below represents the number of stars earned by 140 performers in a talent competition.
The average number of stars earned by the performers is
A. 2. B. 1.9. C. 2.5. D. 1.95. E. none of these
Mathematics
Graph the function.y = 4 tan (2x)
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression for other given values of the variables.3x for x = 7
A. 7 B. 3 C. 10 D. 21
Mathematics
Provide an appropriate response.Indicate whether the following statement is true or false. Interchanging corresponding rows and columns of a matrix changes the sign of the determinant of the matrix.
A. True B. False
Mathematics