Name the quadrant in which the angle ? lies.cot ? < 0, cos ? > 0
A. I
B. II
C. III
D. IV
Answer: D
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Find an equation of the line described. Write the equation in slope-intercept form if possible.Through (-9, -75) and (1, 5)
A. y = -8x - 147
B. y = 8x - 3
C. y = 
x - 
D. y = - 
x - 
Decide whether the relation is a function, and give the domain and range.
A. Function; domain: [-3, 1]; range: [-5, 1] B. Function; domain: [-5, 1]; range: [-3, 1] C. Not a function; domain: [-5, 1]; range: [-3, 1] D. Not a function; domain: [-3, 1]; range: [-5, 1]
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Perform the indicated operations and write the answer in the form 
where a and b are real numbers.6i(3 - 3i)
A. 18i - 18i2 B. 18 + 18i C. 18i - 18 D. 18i + 18i2