Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 
A. 0.59
B. 0.51
C. 1.08
D. 1.00
Answer: A
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If possible, find the matrix product of AB.A = 
; B = 
A. AB = 
B. AB = 
C. AB = 
D. AB = 
Find the distance d(P1, P2) between the points P1 and P2.
A. 
B. 1
C. 72
D. 
Solve the problem.Assuming equal costs, when warehouse workers use hand trucks to load a trailer, it costs the management 
for labor for each trailer. After management purchases a forklift for 
, it costs only 
for labor to load each trailer. Write the equation that models the cost, C(n), of loading n trailers with a hand truck, and the cost, C(n), of loading n trailers with the forklift. Then, solve this system using an algebraic approach.
A. Cost using hand trucks: C(n) = 50n Cost using forklift: C(n) = 2100 + 25n n = 82 B. Cost using hand trucks: C(n) = 25n Cost using forklift: C(n) = 2100 + 50n n = 82 C. Cost using hand trucks: C(n) = 25n Cost using forklift: C(n) = 2100 + 50n n = 84 D. Cost using hand trucks: C(n) = 50n Cost using forklift: C(n) = 2100 + 25n n = 84
Find the limit algebraically.
(-5x + 4)
A. -1 B. 19 C. 3 D. does not exist