Determine whether the statement is true or false.
?
All countable sets are infinite.
?
A. False
B. True
Answer: A
Mathematics
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Find the root.-
A. 4 B. -4 C. 16 D. Not a real number
Mathematics
Sketch the graph of the exponential function. Label the y-intercept.f(x) = 2x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.When sitting atop a tree and looking down at his pal Joey, the angle of depression of Mack's line of sight is 52°34'. If Joey is known to be standing 33 feet from the base of the tree, how tall is the tree (to the nearest foot)?
A. 49 ft B. 47 ft C. 43 ft D. 45 ft
Mathematics
Write the expression in the standard form a + bi.(-8 + 5i)(4 + i)
A. -37 - 28i B. -37 + 12i C. -27 + 12i D. -27 - 28i
Mathematics