A CAD drawing shows a bar 2 inches thick, by 4 inches wide, by 30 inches in length, ready to be cut into smaller pieces. Each saw cut wastes of an inch of the bar. How many inch pieces can be cut?

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A. pieces
B. pieces
C. pieces
D. pieces
E. pieces

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Answer: C

Mathematics

Express the vector in the form ai + bj. if P1 is the point (1, -4) and P2 is the point (3, -7)

A. v = 2i - 3j  B. v = -2i - 3j  C. v = -i + 3j  D. v = -2i + 3j 

Find the integral using tables of integrals.

A.  ln 
B.  ln 
C.  ln 
D.  ln 

Without solving, determine the character of the solutions of the equation in the complex number system.x2 - 3x - 4 = 0

A. a repeated real solution B. two unequal real solutions C. two complex solutions that are conjugates of each other

Solve the problem.Peter's Construction Company needs to cut an arch for the top of a doorway. The arch needs to be 14 feet wide and 4 feet high. The arch will be a section of a circle, drawn using a stretched string with a pencil attached at the end as a compass. Using the coordinate system as shown in the drawing, find the coordinates of the point that would be the center of the circle. Also find the radius of the circle. Round to the hundredths place.?a = 7

A. (0, -3.79); 7.79 B. (0, -3.88); 7.88 C. (0, -41.25); 45.25 D. (0, -4.13); 8.13