Find the value of the determinant.
A. -12
B. 80
C. -90
D. 130
Answer: D
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Solve.Find the area of the following shape made of rectangles. 
A. 250 cm2 B. 265 cm2 C. 255 cm2 D. 64 cm2
Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
Find sec A and csc A.
A. sec A = 
; csc A = 
B. sec A = 
; csc A = 
C. sec A = 
; csc A = 
D. sec A = 
; csc A = 
Solve the problem.John's favorite clothing store is having a close-out sale with everything reduced 60% off the original price. The discount is calculated at the cash register when the purchase is made. John buys a sweater originally priced $23.95, 2 pairs of jeans originally priced $16.99 each, and a jacket originally priced $57.98. Estimate the total cost of all items after the discount is taken.
A. $20.00 B. $720.00 C. $48.00 D. $72.00
Solve the equation by completing the square.x2 + 8x = 3
A. {-4 ± 2
}
B. {-4 ± 
}
C. {4 + 
}
D. {-1 ± 
}