Find the sum.

A. -1120
B. -1360
C. -1320
D. -1260


Answer: B

Mathematics

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Using a dot product, calculate the work done in the given situation.A 165-pound person climbs 5 steps up a ladder that has rungs spaced at one-foot intervals. The ladder is inclined at an angle of 74° relative to the ground.

A. 793 ft-lb B. 825 ft-lb C. 227.4 ft-lb D. No work is done

Mathematics

Subtract.22 - (-16)

A. -6 B. 38 C. -38 D. 6

Mathematics

Solve the matrix equation for X.Let A =  and B = ;B - X = 3A

A.
X =  
B.
X =  
C.
X =  
D.
X =  

Mathematics

Write the symbolic representation for f(x, y) given that f computes the indicated inequality.The product of x and y2, divided by 

A. f(x, y) = 
B. f(x, y) =  - x
C. f(x, y) = x + 
D. f(x, y) = x - 

Mathematics