Evaluate the determinant by expansion by minors.
A. -155
B. -120
C. 120
D. 85
Answer: B
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Solve the problem.Sheryl's mean average on eight exams is 93.125. Find the sum of her scores.
A. 768 B. 745 C. 845 D. 761
Use a calculator to find the acute angle ? (to the nearest tenth of a degree) that satisfies the equation.sin ? = 0.17564334
A. 169.9° B. 190.1° C. 79.9° D. 10.1°
Solve the problem.The cost of a rental car for the weekend is given by the function C(x) = 137 + 0.25x, where x is the number of miles driven. Find and interpret the C-intercept of the graph of this function.
A. 0.25; There is a flat rate of $0.25 to rent a car in addition to the charge for each mile driven. B. 137; The cost of the rental car increases by $137 for each mile driven. C. 137; There is a flat rate of $137 to rent a car in addition to the charge for each mile driven. D. 0.25; The cost of the rental car increases by $0.25 for each mile driven.
Write the improper fraction and mixed number represented by the shading.
A. 
; 3
B. 
; 3
C. 
; 3
D. 
; 3