Use a sketch to find the exact value of the expression.cos 
A. - 
B. - 
C. 
D. 
Answer: C
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Subtract. Write the answer in lowest terms.
A. 9
B. 16
C. 15
D. 9
A mail truck must deliver packages to 5 different homes (A, B, C, D, and E). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
The shortest trip in this situation can be found using
A. the repetitive nearest-neighbor algorithm. B. the cheapest-link algorithm. C. both the nearest-neighbor and the cheapest-link algorithms. D. the nearest-neighbor algorithm. E. all of these algorithms give the shortest trip in this situation.
Using synthetic division, determine whether the numbers are zeros of the polynomial.5, 0; f(x) = 4x4 - 15x3 - 22x2 - 19x + 20
A. Yes; yes B. No; no C. No; yes D. Yes; no
Solve the problem by estimating.As part of her preparation for soccer tryouts, Karen did 92 sit-ups each day for 46 days. Estimate how many sit-ups she did during that period. Round the number of sit-ups and the number of days to the to the nearest ten.
A. 45,000 leg lifts B. 1300 leg lifts C. 13,000 leg lifts D. 4500 leg lifts