Find the exact value. If the value of the function is not defined, write undefined.cos (-4?)
A. -1
B. 0
C. Undefined
D. 1
Answer: D
Mathematics
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Solve the problem.The city bridge has 9 lanes, all carrying equal numbers of cars. If 378 cars drive across the bridge, how many cars cross in each lane?
A. 42 cars B. 51 cars C. 387 cars D. 43 cars
Mathematics
The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)Find the number of packages 19 pounds and under.
A. 6 packages B. 5 packages C. 11 packages D. 2 packages
Mathematics
Reduce the mixed number.4
A. 4
B. 4
C. 4
D. 4
Mathematics
Find the perimeter.
A. 1231 yards B. 1625 yards C. 1313 yards D. 1469 yards
Mathematics