Complete the identity.
= ?
A. tan (4?) + tan (5?)
B. 
C. 
D. 
Answer: C
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? is an acute angle and sin ? is given. Use the Pythagorean identity sin2 ? + cos2 ? = 1 to find cos ?.sin ? = 
A. 3
B. 2
C. 
D. 
Solve and write interval notation for the solution set.|11x - 8| < -5
A. 
? 
B. 
C. (-?, ?)
D. No solution
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
List all the elements of B that belong to the given set.B = {6, 
, -11, 0, 
, -
, 0.54, -7?, -0.252525. . . }Negative rational numbers
A. -11, 0, -
, -0.252525.....
B. -11, -0.252525.....
C. -11, -
, -0.252525.....
D. -11, -
, -7?, -0.252525.....