State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 
, b = 
A. Parallel, same direction
B. Parallel, opposite directions
C. Perpendicular
D. Neither
Answer: C
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Solve the problem.Which is the best deal?Special 1: Six small grapefruits for a dollar.Special 2: Four medium size grapefruits for a dollarSpecial 3: Three large grapefruits for a dollarAssume that all the grapefruits are spherical, that the small grapefruits have a diameter of 3 inches, the medium grapefruits have a diameter of 3.5 inches, and the large grapefruits have a diameter of 4 inches.
A. Special 3 B. Special 1 and Special 3 C. Special 1 D. Special 2
Find the radian measure of a central angle of the circle of radius r that intercepts the arc of length s. Round your answer to three decimal places.r = 11.8 inches, s = 23 inches
A. 0.513 radians B. 6.123 radians C. 1.949 radians D. 271.4 radians
Solve the equation.x(x2 + 5) = 6 + x3
A. 
B. {6}
C. 
D. {5}
Write the percent as a decimal.0.2%
A. 0.002 B. 0.02 C. 0.2 D. 0.003