Graph each using translations or reflections.y = -cos(-x)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use a special product formula to simplify.[(7 - m) + n]2
A. m2 + n2 - 14m + 2mn + 14n + 49 B. m2 + n2 - 14m - 2mn + 14n + 49 C. m2 + n2 - 14m + 49 D. m2 + n2 + 2mn - 7n + 49
Mathematics
Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Mathematics
Graph the inequality.y ? x - 4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer to the nearest tenth.A person is pulling a freight cart with a force of 51 pounds. How much work is done in moving the cart 70 feet if the cart's handle makes an angle of 31° with the ground?
A. 3060.1 ft-lb B. 3208.7 ft-lb C. 183.9 ft-lb D. 1838.7 ft-lb
Mathematics