Find the direction angle ? for the given vector. Let 0° ? ? < 360° and round ? to the nearest tenth when appropriate.
A. 270°
B. 45°
C. 116°
D. 90°
Answer: D
Mathematics
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Carry out the indicated unit conversion. Round your answer, if appropriate.There are 8 ounces in a cup, 4 cups in a quart, and 4 quarts in a gallon. Using a chain with these conversions, convert 7 gallons into ounces.
A. 1792 ounces B. 224 ounces C. 896 ounces D. 112 ounces
Mathematics
Construct a truth table for the statement.q ? ~r
A. 
| T | T | T |
F T T
F F T
B.
| T | T | F |
F T T
F F T
C.
| T | T | T |
F T F
F F F
D.
| T | T | F |
F T T
F F T
Mathematics
Determine if the lines parallel, perpendicular, or neither.L1: y = 8x - 1L2: y = - 
x - 7
A. perpendicular B. parallel C. neither
Mathematics
The power gain of an amplifier is 42 dB. Find the power output when Pin = 1mW.
What will be an ideal response?
Mathematics