Express the sum or difference as a product of sines and/or cosines.cos 
+ cos 
A. 2 cos(4?)
B. 2 sin(4?) sin 
C. 2 cos(4?) cos 
D. 2 sin(4?) sin ?
Answer: C
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Solve the problem.An electric fence must be installed around a wildlife preserve with dimensionsshown in the figure. How many miles of fencing will be needed?
A. 392 mi B. 449 mi C. 372 mi D. 302 mi
Solve the problem.Doug and Inga can deliver 100 papers in 2 hours. How long would it take them to deliver 145 papers?
A. 2.9 hr B. 290 hr C. 4.4 hr D. 1.4 hr
Provide an appropriate response.For exy + 7x3 + 8z - 18 = 0, the partial derivative 
evaluated at x = -1, y = 0, z = 3 is
Fill in the blank(s) with the appropriate word(s).
Find the exact interest for the following. Round to the nearest cent.A loan of $6500 at 14% made on July 23 and due on November 30
A. $324.11 B. $321.03 C. $316.63 D. $328.61