Find the exact value under the given conditions.sin ? = - 
, ? < ? < 
; tan ? = - 
, 
< ? < ?Find cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
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Use the counting principle to obtain the answer.A restaurant offered salads with 3 types of lettuce, 3 different toppings, and 6 different dressings. How many different types of salad could be offered?
A. 36 B. 27 C. 54 D. 12
The ? shape in the figure below is shown using 9 pixels in a 3 × 3 grid. The color levels are given to the right of the figure. Use the matrix 
that represents a digital photograph of the ? shape to solve the problem.
Adjust the contrast by changing the black to white and the light grey to dark grey. Use matrix addition to accomplish this.
A. 
+ 
= 
B. 
+ 
= 
C. 
+ 
= 
D. 
+ 
= 
Perform the matrix multiplication.Let A = 
and B = 
. Find AB.
A. 
B. 
C. 
D. 
Solve the problem.A horse's paddock is triangular with a height of 86 ft and sides of 116 ft, 95 ft, and 106 ft. What is the cost of fencing around the paddock if the fencing costs $5.60 per ft?
A. $1775.20 B. $22,876.00 C. $887.60 D. $27,932.80