Combine and simplify, if possible.
- 4
A. -3
B. -3
C. 4
D. 3
Answer: A
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Follow the proper order of operations to evaluate the following.
A. 
B. 
C. 
D. 
For the given Cartesian equation, write an equivalent polar equation.x2 + 4y2 = 4
A. r2(4 cos2 ? + sin2 ?) = 4 B. 4 cos2 ? + sin2 ? = 4r C. cos2 ? + 4 sin2 ? = 4r D. r2(cos2 ? + 4 sin2 ?) = 4
Write the equation in slope-intercept form.3x - 10y = -6
A. y = 
x - 2
B. y = 
x + 
C. y = 3x + 11
D. y = - 
x + 
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