The cost of capital should reflect the weighted rather than the straight (i.e., arithmetic) average cost of the various sources of long-term funds used by a firm. True or False?

If u=(-2,1,3,1){“version”:”1.1″,”math”:”u=(-2,1,3,1)”} and v=(5,2,0,3){“version”:”1.1″,”math”:”v=(5,2,0,3)”}, find projuv{“version”:”1.1″,”math”:”projuv”}.

Construct the standard matrix for the linear transformation T(x1,x2)=6×1,x1+3×2,x2{“version”:”1.1″,”math”:”T(x1,x2)=6×1,x1+3×2,x2″}

Vista Development Co.’s bonds were issued several years ago and now have 20 years left to maturity. These bonds have a 9.25% annual coupon, paid semiannually, sell at a price of $1,075, and have a par value of $1,000. If the firm’s tax rate is 40%, what is the component cost of debt for use in the WACC calculation?

Prove or disprove:  For vectors u, v and w in Rn{“version”:”1.1″,”math”:”Rn”}, If u is orthogonal to v and v is orthogonal to w, then u is parallel to w.

Find the angle, in radians, between vectors (3,-1,2,2){“version”:”1.1″,”math”:”(3,-1,2,2)”} and (5,3,3,1){“version”:”1.1″,”math”:”(5,3,3,1)”}.

After applying a pressure dressing to a laceration on a patient’s arm, you notice that blood is slowly beginning to saturate it. You should:

A 22-year-old male was kicked in the abdomen multiple times during an assault. He is conscious but restless and his pulse is rapid. His skin is cold and moist. Your assessment reveals a large area of bruising to the right upper quadrant of his abdomen. The most appropriate treatment for this patient includes:

The November 1917 revolution in Russia brought the ____ to power.

Explain what is wrong with the following proof attempt.  Identify the two errors. Prove that tr(kA)=ktr(A){“version”:”1.1″,”math”:”tr(kA)=ktr(A)”} for any n×n{“version”:”1.1″,”math”:”n×n”} matrix A and scalar k. Attempt:  Let A=a11a12a13a21a22a23a31a32a33{“version”:”1.1″,”math”:”A=a11a12a13a21a22a23a31a32a33″}.  Then,trkA=trka11ka12ka13ka21ka22ka23ka31ka32ka33         = ka11+ka22+ka33         = ka11+a22+a33         = ktrA{“version”:”1.1″,”math”:”trkA=trka11ka12ka13ka21ka22ka23ka31ka32ka33         = ka11+ka22+ka33         = ka11+a22+a33         = ktrA”}