Determine the reference angle for the given angle.? = -67°
A. 157°
B. 67°
C. 23°
D. 113°
Answer: B
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Use the given information to find the unknown length represented by the variable x.A rectangle with a perimeter of 256 feet
x
A. 105 ft B. 2415 ft C. 151 ft D. 128 ft
Find the zero of the linear function.f(x) = 11 - x
A. -22 B. -11 C. 11 D. 1
Solve the problem.A photographer points a camera at a window in a nearby building forming an angle of 42° with the camera platform. If the camera is 52 m from the building, how high above the platform is the window, to the nearest hundredth of a meter?
A. 57.75 m B. 0.9 m C. 46.82 m D. 1.11 m
Solve the problem.Three different high schools plan to order the same three text books. School A plans to order 90 of book 1, 20 of book 2, 80 of book 3. School B plans to order 60 of book 1, 20 of book 2, 20 of book 3. School C plans to order 80 of book 1, 100 of book 2, 70 of book 3. The cost of book 1 is $15 per copy, the cost of book 2 is $20 per copy, and the cost of book 3 is $25 per copy. What matrix product displays the cost to each school of buying the textbooks? Display the two matrices which must be multiplied and their product.
A. 
= 
B. 
= 
C. 
= 
D. 
= 