Perform the indicated operation and simplify if possible.
A. 
B. 
C. 42
D. 
Answer: B
Mathematics
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Solve the equation graphically, numerically, or symbolically. If appropriate, round the solution to hundredths. ?b - 4? - 9 = -2
A. No solution B. 11, -3 C. 11 D. -11, 3
Mathematics
Perform the matrix operation.Let A = 
and B = 
. Find 2A + 3B.
A. 
B. 
C. 
D. 
Mathematics
Find the direction angles of the vector. Round to the nearest degree, if necessary.v = i - j - 2k
A. ? = 80°, ? = 100°, ? = 109° B. ? = 66°, ? = 114°, ? = 145° C. ? = 69°, ? = 111°, ? = 135° D. ? = 63°, ? = 117°, ? = 154°
Mathematics
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
÷ 5
A. 
B. 58
C. 2
D. 7
Mathematics